Home / 39,565.26-54,597.90-21,656.79

Finding the Fourth Proportional to 39,565.26, 54,597.90 and 21,656.79

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Solution

The fourth proportional to 39,565.26, 54,597.90 and 21,656.79 is: 29,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,565.26 : 54,597.90 = 21,656.79 : x
  2. Step 2: Convert to fraction form
    39,565.26/54,597.90 = 21,656.79/x
  3. Step 3: Cross multiply
    39,565.26x = 54,597.90 × 21,656.79
  4. Step 4: Simplify right side
    39,565.26x = 1,182,415,254.74
  5. Step 5: Solve for x
    x = 1,182,415,254.74/39,565.26
  6. Step 6: Final answer
    x = 29,885.19

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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.