Home / 52,397.31-72,170.55-40,274.61

Finding the Fourth Proportional to 52,397.31, 72,170.55 and 40,274.61

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Solution

The fourth proportional to 52,397.31, 72,170.55 and 40,274.61 is: 55,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,397.31 : 72,170.55 = 40,274.61 : x
  2. Step 2: Convert to fraction form
    52,397.31/72,170.55 = 40,274.61/x
  3. Step 3: Cross multiply
    52,397.31x = 72,170.55 × 40,274.61
  4. Step 4: Simplify right side
    52,397.31x = 2,906,640,754.74
  5. Step 5: Solve for x
    x = 2,906,640,754.74/52,397.31
  6. Step 6: Final answer
    x = 55,473.09

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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.