Home / 31,611.18-47,419.20-9,422.82

Finding the Fourth Proportional to 31,611.18, 47,419.20 and 9,422.82

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Solution

The fourth proportional to 31,611.18, 47,419.20 and 9,422.82 is: 14,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.18 : 47,419.20 = 9,422.82 : x
  2. Step 2: Convert to fraction form
    31,611.18/47,419.20 = 9,422.82/x
  3. Step 3: Cross multiply
    31,611.18x = 47,419.20 × 9,422.82
  4. Step 4: Simplify right side
    31,611.18x = 446,822,586.14
  5. Step 5: Solve for x
    x = 446,822,586.14/31,611.18
  6. Step 6: Final answer
    x = 14,134.95

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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.