Home / 31,288.05-46,932.90-9,101.61

Finding the Fourth Proportional to 31,288.05, 46,932.90 and 9,101.61

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Solution

The fourth proportional to 31,288.05, 46,932.90 and 9,101.61 is: 13,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.05 : 46,932.90 = 9,101.61 : x
  2. Step 2: Convert to fraction form
    31,288.05/46,932.90 = 9,101.61/x
  3. Step 3: Cross multiply
    31,288.05x = 46,932.90 × 9,101.61
  4. Step 4: Simplify right side
    31,288.05x = 427,164,951.97
  5. Step 5: Solve for x
    x = 427,164,951.97/31,288.05
  6. Step 6: Final answer
    x = 13,652.65

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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.