Home / 57,082.17-78,771.47-31,589.62

Finding the Fourth Proportional to 57,082.17, 78,771.47 and 31,589.62

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Solution

The fourth proportional to 57,082.17, 78,771.47 and 31,589.62 is: 43,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082.17 : 78,771.47 = 31,589.62 : x
  2. Step 2: Convert to fraction form
    57,082.17/78,771.47 = 31,589.62/x
  3. Step 3: Cross multiply
    57,082.17x = 78,771.47 × 31,589.62
  4. Step 4: Simplify right side
    57,082.17x = 2,488,360,449.26
  5. Step 5: Solve for x
    x = 2,488,360,449.26/57,082.17
  6. Step 6: Final answer
    x = 43,592.60

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1.5x scale

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.