Home / 57,010.12-78,672.66-31,861.96

Finding the Fourth Proportional to 57,010.12, 78,672.66 and 31,861.96

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Solution

The fourth proportional to 57,010.12, 78,672.66 and 31,861.96 is: 43,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.12 : 78,672.66 = 31,861.96 : x
  2. Step 2: Convert to fraction form
    57,010.12/78,672.66 = 31,861.96/x
  3. Step 3: Cross multiply
    57,010.12x = 78,672.66 × 31,861.96
  4. Step 4: Simplify right side
    57,010.12x = 2,506,665,146.01
  5. Step 5: Solve for x
    x = 2,506,665,146.01/57,010.12
  6. Step 6: Final answer
    x = 43,968.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.