Home / 39,565.27-54,598.02-21,656.88

Finding the Fourth Proportional to 39,565.27, 54,598.02 and 21,656.88

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Solution

The fourth proportional to 39,565.27, 54,598.02 and 21,656.88 is: 29,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,565.27 : 54,598.02 = 21,656.88 : x
  2. Step 2: Convert to fraction form
    39,565.27/54,598.02 = 21,656.88/x
  3. Step 3: Cross multiply
    39,565.27x = 54,598.02 × 21,656.88
  4. Step 4: Simplify right side
    39,565.27x = 1,182,422,767.38
  5. Step 5: Solve for x
    x = 1,182,422,767.38/39,565.27
  6. Step 6: Final answer
    x = 29,885.37

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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.