Home / 50,270.02-69,373.78-28,761.78

Finding the Fourth Proportional to 50,270.02, 69,373.78 and 28,761.78

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Solution

The fourth proportional to 50,270.02, 69,373.78 and 28,761.78 is: 39,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,270.02 : 69,373.78 = 28,761.78 : x
  2. Step 2: Convert to fraction form
    50,270.02/69,373.78 = 28,761.78/x
  3. Step 3: Cross multiply
    50,270.02x = 69,373.78 × 28,761.78
  4. Step 4: Simplify right side
    50,270.02x = 1,995,313,398.13
  5. Step 5: Solve for x
    x = 1,995,313,398.13/50,270.02
  6. Step 6: Final answer
    x = 39,691.92

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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.