Home / 31,922.82-47,862.02-14,143.83

Finding the Fourth Proportional to 31,922.82, 47,862.02 and 14,143.83

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Solution

The fourth proportional to 31,922.82, 47,862.02 and 14,143.83 is: 21,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.82 : 47,862.02 = 14,143.83 : x
  2. Step 2: Convert to fraction form
    31,922.82/47,862.02 = 14,143.83/x
  3. Step 3: Cross multiply
    31,922.82x = 47,862.02 × 14,143.83
  4. Step 4: Simplify right side
    31,922.82x = 676,952,203.62
  5. Step 5: Solve for x
    x = 676,952,203.62/31,922.82
  6. Step 6: Final answer
    x = 21,205.90

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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.