Home / 31,251.15-46,843.11-15,434.28

Finding the Fourth Proportional to 31,251.15, 46,843.11 and 15,434.28

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Solution

The fourth proportional to 31,251.15, 46,843.11 and 15,434.28 is: 23,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.15 : 46,843.11 = 15,434.28 : x
  2. Step 2: Convert to fraction form
    31,251.15/46,843.11 = 15,434.28/x
  3. Step 3: Cross multiply
    31,251.15x = 46,843.11 × 15,434.28
  4. Step 4: Simplify right side
    31,251.15x = 722,989,675.81
  5. Step 5: Solve for x
    x = 722,989,675.81/31,251.15
  6. Step 6: Final answer
    x = 23,134.82

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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.