Home / 57,082.55-78,771.98-31,589.99

Finding the Fourth Proportional to 57,082.55, 78,771.98 and 31,589.99

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Solution

The fourth proportional to 57,082.55, 78,771.98 and 31,589.99 is: 43,593.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082.55 : 78,771.98 = 31,589.99 : x
  2. Step 2: Convert to fraction form
    57,082.55/78,771.98 = 31,589.99/x
  3. Step 3: Cross multiply
    57,082.55x = 78,771.98 × 31,589.99
  4. Step 4: Simplify right side
    57,082.55x = 2,488,406,336.39
  5. Step 5: Solve for x
    x = 2,488,406,336.39/57,082.55
  6. Step 6: Final answer
    x = 43,593.12

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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.