Home / 40,687.04-61,132.80-25,902.56

Finding the Fourth Proportional to 40,687.04, 61,132.80 and 25,902.56

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Solution

The fourth proportional to 40,687.04, 61,132.80 and 25,902.56 is: 38,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,687.04 : 61,132.80 = 25,902.56 : x
  2. Step 2: Convert to fraction form
    40,687.04/61,132.80 = 25,902.56/x
  3. Step 3: Cross multiply
    40,687.04x = 61,132.80 × 25,902.56
  4. Step 4: Simplify right side
    40,687.04x = 1,583,496,019.97
  5. Step 5: Solve for x
    x = 1,583,496,019.97/40,687.04
  6. Step 6: Final answer
    x = 38,918.93

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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.