Home / 31,635.07-43,654.68-17,487

Finding the Fourth Proportional to 31,635.07, 43,654.68 and 17,487

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Solution

The fourth proportional to 31,635.07, 43,654.68 and 17,487 is: 24,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,635.07 : 43,654.68 = 17,487 : x
  2. Step 2: Convert to fraction form
    31,635.07/43,654.68 = 17,487/x
  3. Step 3: Cross multiply
    31,635.07x = 43,654.68 × 17,487
  4. Step 4: Simplify right side
    31,635.07x = 763,389,389.16
  5. Step 5: Solve for x
    x = 763,389,389.16/31,635.07
  6. Step 6: Final answer
    x = 24,131.11

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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.