Home / 40,729.23-61,061.04-18,531.18

Finding the Fourth Proportional to 40,729.23, 61,061.04 and 18,531.18

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Solution

The fourth proportional to 40,729.23, 61,061.04 and 18,531.18 is: 27,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.23 : 61,061.04 = 18,531.18 : x
  2. Step 2: Convert to fraction form
    40,729.23/61,061.04 = 18,531.18/x
  3. Step 3: Cross multiply
    40,729.23x = 61,061.04 × 18,531.18
  4. Step 4: Simplify right side
    40,729.23x = 1,131,533,123.23
  5. Step 5: Solve for x
    x = 1,131,533,123.23/40,729.23
  6. Step 6: Final answer
    x = 27,781.84

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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.