Home / 40,838.01-61,244.05-13,129.53

Finding the Fourth Proportional to 40,838.01, 61,244.05 and 13,129.53

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Solution

The fourth proportional to 40,838.01, 61,244.05 and 13,129.53 is: 19,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,838.01 : 61,244.05 = 13,129.53 : x
  2. Step 2: Convert to fraction form
    40,838.01/61,244.05 = 13,129.53/x
  3. Step 3: Cross multiply
    40,838.01x = 61,244.05 × 13,129.53
  4. Step 4: Simplify right side
    40,838.01x = 804,105,591.80
  5. Step 5: Solve for x
    x = 804,105,591.80/40,838.01
  6. Step 6: Final answer
    x = 19,690.13

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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.