Home / 23,132.36-31,941.06-21,363.32

Finding the Fourth Proportional to 23,132.36, 31,941.06 and 21,363.32

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Solution

The fourth proportional to 23,132.36, 31,941.06 and 21,363.32 is: 29,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.36 : 31,941.06 = 21,363.32 : x
  2. Step 2: Convert to fraction form
    23,132.36/31,941.06 = 21,363.32/x
  3. Step 3: Cross multiply
    23,132.36x = 31,941.06 × 21,363.32
  4. Step 4: Simplify right side
    23,132.36x = 682,367,085.92
  5. Step 5: Solve for x
    x = 682,367,085.92/23,132.36
  6. Step 6: Final answer
    x = 29,498.38

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Find fourth proportional to 11,566.18, 15,970.53 and 10,681.66
Half scale
Find fourth proportional to 46,264.72, 63,882.12 and 42,726.64
Double scale
Find fourth proportional to 23,133.36, 31,942.44 and 21,364.32
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.