Home / 49,397.28-74,099.38-19,815.11

Finding the Fourth Proportional to 49,397.28, 74,099.38 and 19,815.11

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Solution

The fourth proportional to 49,397.28, 74,099.38 and 19,815.11 is: 29,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,397.28 : 74,099.38 = 19,815.11 : x
  2. Step 2: Convert to fraction form
    49,397.28/74,099.38 = 19,815.11/x
  3. Step 3: Cross multiply
    49,397.28x = 74,099.38 × 19,815.11
  4. Step 4: Simplify right side
    49,397.28x = 1,468,287,733.16
  5. Step 5: Solve for x
    x = 1,468,287,733.16/49,397.28
  6. Step 6: Final answer
    x = 29,724.06

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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.