Home / 31,627.11-47,435.17-11,905.82

Finding the Fourth Proportional to 31,627.11, 47,435.17 and 11,905.82

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Solution

The fourth proportional to 31,627.11, 47,435.17 and 11,905.82 is: 17,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.11 : 47,435.17 = 11,905.82 : x
  2. Step 2: Convert to fraction form
    31,627.11/47,435.17 = 11,905.82/x
  3. Step 3: Cross multiply
    31,627.11x = 47,435.17 × 11,905.82
  4. Step 4: Simplify right side
    31,627.11x = 564,754,595.69
  5. Step 5: Solve for x
    x = 564,754,595.69/31,627.11
  6. Step 6: Final answer
    x = 17,856.66

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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.