Home / 39,471.26-54,468.71-21,566.88

Finding the Fourth Proportional to 39,471.26, 54,468.71 and 21,566.88

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Solution

The fourth proportional to 39,471.26, 54,468.71 and 21,566.88 is: 29,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.26 : 54,468.71 = 21,566.88 : x
  2. Step 2: Convert to fraction form
    39,471.26/54,468.71 = 21,566.88/x
  3. Step 3: Cross multiply
    39,471.26x = 54,468.71 × 21,566.88
  4. Step 4: Simplify right side
    39,471.26x = 1,174,720,132.32
  5. Step 5: Solve for x
    x = 1,174,720,132.32/39,471.26
  6. Step 6: Final answer
    x = 29,761.40

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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.