Home / 57,082.91-78,771.62-31,588.82

Finding the Fourth Proportional to 57,082.91, 78,771.62 and 31,588.82

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Solution

The fourth proportional to 57,082.91, 78,771.62 and 31,588.82 is: 43,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082.91 : 78,771.62 = 31,588.82 : x
  2. Step 2: Convert to fraction form
    57,082.91/78,771.62 = 31,588.82/x
  3. Step 3: Cross multiply
    57,082.91x = 78,771.62 × 31,588.82
  4. Step 4: Simplify right side
    57,082.91x = 2,488,302,525.29
  5. Step 5: Solve for x
    x = 2,488,302,525.29/57,082.91
  6. Step 6: Final answer
    x = 43,591.02

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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.