Home / 61,238.43-84,513.92-34,382.70

Finding the Fourth Proportional to 61,238.43, 84,513.92 and 34,382.70

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Solution

The fourth proportional to 61,238.43, 84,513.92 and 34,382.70 is: 47,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238.43 : 84,513.92 = 34,382.70 : x
  2. Step 2: Convert to fraction form
    61,238.43/84,513.92 = 34,382.70/x
  3. Step 3: Cross multiply
    61,238.43x = 84,513.92 × 34,382.70
  4. Step 4: Simplify right side
    61,238.43x = 2,905,816,757.18
  5. Step 5: Solve for x
    x = 2,905,816,757.18/61,238.43
  6. Step 6: Final answer
    x = 47,450.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.