Home / 39,471.44-54,468.88-21,565.60

Finding the Fourth Proportional to 39,471.44, 54,468.88 and 21,565.60

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Solution

The fourth proportional to 39,471.44, 54,468.88 and 21,565.60 is: 29,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.44 : 54,468.88 = 21,565.60 : x
  2. Step 2: Convert to fraction form
    39,471.44/54,468.88 = 21,565.60/x
  3. Step 3: Cross multiply
    39,471.44x = 54,468.88 × 21,565.60
  4. Step 4: Simplify right side
    39,471.44x = 1,174,654,078.53
  5. Step 5: Solve for x
    x = 1,174,654,078.53/39,471.44
  6. Step 6: Final answer
    x = 29,759.60

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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.