Home / 38,237.06-52,775.57-21,247.13

Finding the Fourth Proportional to 38,237.06, 52,775.57 and 21,247.13

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Solution

The fourth proportional to 38,237.06, 52,775.57 and 21,247.13 is: 29,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,237.06 : 52,775.57 = 21,247.13 : x
  2. Step 2: Convert to fraction form
    38,237.06/52,775.57 = 21,247.13/x
  3. Step 3: Cross multiply
    38,237.06x = 52,775.57 × 21,247.13
  4. Step 4: Simplify right side
    38,237.06x = 1,121,329,396.61
  5. Step 5: Solve for x
    x = 1,121,329,396.61/38,237.06
  6. Step 6: Final answer
    x = 29,325.72

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Find fourth proportional to 19,118.53, 26,387.79 and 10,623.57
Half scale
Find fourth proportional to 76,474.12, 105,551.14 and 42,494.26
Double scale
Find fourth proportional to 38,238.06, 52,776.95 and 21,248.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.