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Finding the Fourth Proportional to 31,593.98, 43,599.76 and 17,446.88

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Solution

The fourth proportional to 31,593.98, 43,599.76 and 17,446.88 is: 24,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,593.98 : 43,599.76 = 17,446.88 : x
  2. Step 2: Convert to fraction form
    31,593.98/43,599.76 = 17,446.88/x
  3. Step 3: Cross multiply
    31,593.98x = 43,599.76 × 17,446.88
  4. Step 4: Simplify right side
    31,593.98x = 760,679,780.75
  5. Step 5: Solve for x
    x = 760,679,780.75/31,593.98
  6. Step 6: Final answer
    x = 24,076.73

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1.5x scale

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.