Home / 47,403.82-71,117.42-14,123.75

Finding the Fourth Proportional to 47,403.82, 71,117.42 and 14,123.75

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Solution

The fourth proportional to 47,403.82, 71,117.42 and 14,123.75 is: 21,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,403.82 : 71,117.42 = 14,123.75 : x
  2. Step 2: Convert to fraction form
    47,403.82/71,117.42 = 14,123.75/x
  3. Step 3: Cross multiply
    47,403.82x = 71,117.42 × 14,123.75
  4. Step 4: Simplify right side
    47,403.82x = 1,004,444,660.73
  5. Step 5: Solve for x
    x = 1,004,444,660.73/47,403.82
  6. Step 6: Final answer
    x = 21,189.11

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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.