Home / 67,398.44-93,006.41-40,535.78

Finding the Fourth Proportional to 67,398.44, 93,006.41 and 40,535.78

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Solution

The fourth proportional to 67,398.44, 93,006.41 and 40,535.78 is: 55,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,398.44 : 93,006.41 = 40,535.78 : x
  2. Step 2: Convert to fraction form
    67,398.44/93,006.41 = 40,535.78/x
  3. Step 3: Cross multiply
    67,398.44x = 93,006.41 × 40,535.78
  4. Step 4: Simplify right side
    67,398.44x = 3,770,086,706.64
  5. Step 5: Solve for x
    x = 3,770,086,706.64/67,398.44
  6. Step 6: Final answer
    x = 55,937.30

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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.