Home / 57,723.42-86,593.76-20,276.88

Finding the Fourth Proportional to 57,723.42, 86,593.76 and 20,276.88

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Solution

The fourth proportional to 57,723.42, 86,593.76 and 20,276.88 is: 30,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,723.42 : 86,593.76 = 20,276.88 : x
  2. Step 2: Convert to fraction form
    57,723.42/86,593.76 = 20,276.88/x
  3. Step 3: Cross multiply
    57,723.42x = 86,593.76 × 20,276.88
  4. Step 4: Simplify right side
    57,723.42x = 1,755,851,280.27
  5. Step 5: Solve for x
    x = 1,755,851,280.27/57,723.42
  6. Step 6: Final answer
    x = 30,418.35

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1.5x scale

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.