Home / 47,922.32-71,887.80-18,338.96

Finding the Fourth Proportional to 47,922.32, 71,887.80 and 18,338.96

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Solution

The fourth proportional to 47,922.32, 71,887.80 and 18,338.96 is: 27,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,922.32 : 71,887.80 = 18,338.96 : x
  2. Step 2: Convert to fraction form
    47,922.32/71,887.80 = 18,338.96/x
  3. Step 3: Cross multiply
    47,922.32x = 71,887.80 × 18,338.96
  4. Step 4: Simplify right side
    47,922.32x = 1,318,347,488.69
  5. Step 5: Solve for x
    x = 1,318,347,488.69/47,922.32
  6. Step 6: Final answer
    x = 27,510.09

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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.