Home / 40,839.01-61,245.55-13,130.53

Finding the Fourth Proportional to 40,839.01, 61,245.55 and 13,130.53

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Solution

The fourth proportional to 40,839.01, 61,245.55 and 13,130.53 is: 19,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839.01 : 61,245.55 = 13,130.53 : x
  2. Step 2: Convert to fraction form
    40,839.01/61,245.55 = 13,130.53/x
  3. Step 3: Cross multiply
    40,839.01x = 61,245.55 × 13,130.53
  4. Step 4: Simplify right side
    40,839.01x = 804,186,531.64
  5. Step 5: Solve for x
    x = 804,186,531.64/40,839.01
  6. Step 6: Final answer
    x = 19,691.63

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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.