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Finding the Fourth Proportional to 56,407.59, 84,610.17 and 14,854.59

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Solution

The fourth proportional to 56,407.59, 84,610.17 and 14,854.59 is: 22,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,407.59 : 84,610.17 = 14,854.59 : x
  2. Step 2: Convert to fraction form
    56,407.59/84,610.17 = 14,854.59/x
  3. Step 3: Cross multiply
    56,407.59x = 84,610.17 × 14,854.59
  4. Step 4: Simplify right side
    56,407.59x = 1,256,849,385.18
  5. Step 5: Solve for x
    x = 1,256,849,385.18/56,407.59
  6. Step 6: Final answer
    x = 22,281.57

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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.