Home / 24,700.17-34,063.68-21,128.61

Finding the Fourth Proportional to 24,700.17, 34,063.68 and 21,128.61

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Solution

The fourth proportional to 24,700.17, 34,063.68 and 21,128.61 is: 29,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,700.17 : 34,063.68 = 21,128.61 : x
  2. Step 2: Convert to fraction form
    24,700.17/34,063.68 = 21,128.61/x
  3. Step 3: Cross multiply
    24,700.17x = 34,063.68 × 21,128.61
  4. Step 4: Simplify right side
    24,700.17x = 719,718,209.88
  5. Step 5: Solve for x
    x = 719,718,209.88/24,700.17
  6. Step 6: Final answer
    x = 29,138.19

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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.