Home / 31,251.48-46,891.80-15,475.92

Finding the Fourth Proportional to 31,251.48, 46,891.80 and 15,475.92

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Solution

The fourth proportional to 31,251.48, 46,891.80 and 15,475.92 is: 23,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.48 : 46,891.80 = 15,475.92 : x
  2. Step 2: Convert to fraction form
    31,251.48/46,891.80 = 15,475.92/x
  3. Step 3: Cross multiply
    31,251.48x = 46,891.80 × 15,475.92
  4. Step 4: Simplify right side
    31,251.48x = 725,693,745.46
  5. Step 5: Solve for x
    x = 725,693,745.46/31,251.48
  6. Step 6: Final answer
    x = 23,221.10

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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.