Home / 47,938.72-71,861.64-18,333.76

Finding the Fourth Proportional to 47,938.72, 71,861.64 and 18,333.76

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Solution

The fourth proportional to 47,938.72, 71,861.64 and 18,333.76 is: 27,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,938.72 : 71,861.64 = 18,333.76 : x
  2. Step 2: Convert to fraction form
    47,938.72/71,861.64 = 18,333.76/x
  3. Step 3: Cross multiply
    47,938.72x = 71,861.64 × 18,333.76
  4. Step 4: Simplify right side
    47,938.72x = 1,317,494,060.97
  5. Step 5: Solve for x
    x = 1,317,494,060.97/47,938.72
  6. Step 6: Final answer
    x = 27,482.88

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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.