Home / 57,082.47-85,657.53-31,803.14

Finding the Fourth Proportional to 57,082.47, 85,657.53 and 31,803.14

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Solution

The fourth proportional to 57,082.47, 85,657.53 and 31,803.14 is: 47,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082.47 : 85,657.53 = 31,803.14 : x
  2. Step 2: Convert to fraction form
    57,082.47/85,657.53 = 31,803.14/x
  3. Step 3: Cross multiply
    57,082.47x = 85,657.53 × 31,803.14
  4. Step 4: Simplify right side
    57,082.47x = 2,724,178,604.17
  5. Step 5: Solve for x
    x = 2,724,178,604.17/57,082.47
  6. Step 6: Final answer
    x = 47,723.56

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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.