Home / 47,887.40-71,815.82-15,860.61

Finding the Fourth Proportional to 47,887.40, 71,815.82 and 15,860.61

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Solution

The fourth proportional to 47,887.40, 71,815.82 and 15,860.61 is: 23,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,887.40 : 71,815.82 = 15,860.61 : x
  2. Step 2: Convert to fraction form
    47,887.40/71,815.82 = 15,860.61/x
  3. Step 3: Cross multiply
    47,887.40x = 71,815.82 × 15,860.61
  4. Step 4: Simplify right side
    47,887.40x = 1,139,042,633.55
  5. Step 5: Solve for x
    x = 1,139,042,633.55/47,887.40
  6. Step 6: Final answer
    x = 23,785.85

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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.