Home / 49,387.44-74,084.94-21,308.16

Finding the Fourth Proportional to 49,387.44, 74,084.94 and 21,308.16

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Solution

The fourth proportional to 49,387.44, 74,084.94 and 21,308.16 is: 31,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,387.44 : 74,084.94 = 21,308.16 : x
  2. Step 2: Convert to fraction form
    49,387.44/74,084.94 = 21,308.16/x
  3. Step 3: Cross multiply
    49,387.44x = 74,084.94 × 21,308.16
  4. Step 4: Simplify right side
    49,387.44x = 1,578,613,755.11
  5. Step 5: Solve for x
    x = 1,578,613,755.11/49,387.44
  6. Step 6: Final answer
    x = 31,963.87

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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.