Home / 38,237.81-52,766.29-21,243.14

Finding the Fourth Proportional to 38,237.81, 52,766.29 and 21,243.14

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Solution

The fourth proportional to 38,237.81, 52,766.29 and 21,243.14 is: 29,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,237.81 : 52,766.29 = 21,243.14 : x
  2. Step 2: Convert to fraction form
    38,237.81/52,766.29 = 21,243.14/x
  3. Step 3: Cross multiply
    38,237.81x = 52,766.29 × 21,243.14
  4. Step 4: Simplify right side
    38,237.81x = 1,120,921,368.81
  5. Step 5: Solve for x
    x = 1,120,921,368.81/38,237.81
  6. Step 6: Final answer
    x = 29,314.48

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Half scale
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Double scale
Find fourth proportional to 38,238.81, 52,767.67 and 21,244.14
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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.