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Finding the Fourth Proportional to 29,752.98, 44,616.12 and 21,398

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Solution

The fourth proportional to 29,752.98, 44,616.12 and 21,398 is: 32,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,752.98 : 44,616.12 = 21,398 : x
  2. Step 2: Convert to fraction form
    29,752.98/44,616.12 = 21,398/x
  3. Step 3: Cross multiply
    29,752.98x = 44,616.12 × 21,398
  4. Step 4: Simplify right side
    29,752.98x = 954,695,735.76
  5. Step 5: Solve for x
    x = 954,695,735.76/29,752.98
  6. Step 6: Final answer
    x = 32,087.40

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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.