Home / 39,620.97-59,428.45-14,649.34

Finding the Fourth Proportional to 39,620.97, 59,428.45 and 14,649.34

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Solution

The fourth proportional to 39,620.97, 59,428.45 and 14,649.34 is: 21,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620.97 : 59,428.45 = 14,649.34 : x
  2. Step 2: Convert to fraction form
    39,620.97/59,428.45 = 14,649.34/x
  3. Step 3: Cross multiply
    39,620.97x = 59,428.45 × 14,649.34
  4. Step 4: Simplify right side
    39,620.97x = 870,587,569.72
  5. Step 5: Solve for x
    x = 870,587,569.72/39,620.97
  6. Step 6: Final answer
    x = 21,972.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.