Home / 24,701.17-34,065.06-21,129.61

Finding the Fourth Proportional to 24,701.17, 34,065.06 and 21,129.61

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Solution

The fourth proportional to 24,701.17, 34,065.06 and 21,129.61 is: 29,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,701.17 : 34,065.06 = 21,129.61 : x
  2. Step 2: Convert to fraction form
    24,701.17/34,065.06 = 21,129.61/x
  3. Step 3: Cross multiply
    24,701.17x = 34,065.06 × 21,129.61
  4. Step 4: Simplify right side
    24,701.17x = 719,781,432.43
  5. Step 5: Solve for x
    x = 719,781,432.43/24,701.17
  6. Step 6: Final answer
    x = 29,139.57

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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.