Home / 31,635.65-43,654.99-17,487.38

Finding the Fourth Proportional to 31,635.65, 43,654.99 and 17,487.38

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Solution

The fourth proportional to 31,635.65, 43,654.99 and 17,487.38 is: 24,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,635.65 : 43,654.99 = 17,487.38 : x
  2. Step 2: Convert to fraction form
    31,635.65/43,654.99 = 17,487.38/x
  3. Step 3: Cross multiply
    31,635.65x = 43,654.99 × 17,487.38
  4. Step 4: Simplify right side
    31,635.65x = 763,411,399.03
  5. Step 5: Solve for x
    x = 763,411,399.03/31,635.65
  6. Step 6: Final answer
    x = 24,131.36

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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.