Home / 31,611.15-47,419.17-9,422.82

Finding the Fourth Proportional to 31,611.15, 47,419.17 and 9,422.82

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Solution

The fourth proportional to 31,611.15, 47,419.17 and 9,422.82 is: 14,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.15 : 47,419.17 = 9,422.82 : x
  2. Step 2: Convert to fraction form
    31,611.15/47,419.17 = 9,422.82/x
  3. Step 3: Cross multiply
    31,611.15x = 47,419.17 × 9,422.82
  4. Step 4: Simplify right side
    31,611.15x = 446,822,303.46
  5. Step 5: Solve for x
    x = 446,822,303.46/31,611.15
  6. Step 6: Final answer
    x = 14,134.96

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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.