Home / 31,370.73-47,046.12-10,305.88

Finding the Fourth Proportional to 31,370.73, 47,046.12 and 10,305.88

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Solution

The fourth proportional to 31,370.73, 47,046.12 and 10,305.88 is: 15,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.73 : 47,046.12 = 10,305.88 : x
  2. Step 2: Convert to fraction form
    31,370.73/47,046.12 = 10,305.88/x
  3. Step 3: Cross multiply
    31,370.73x = 47,046.12 × 10,305.88
  4. Step 4: Simplify right side
    31,370.73x = 484,851,775.56
  5. Step 5: Solve for x
    x = 484,851,775.56/31,370.73
  6. Step 6: Final answer
    x = 15,455.55

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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.