Home / 56,859.28-85,229.34-31,862.68

Finding the Fourth Proportional to 56,859.28, 85,229.34 and 31,862.68

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Solution

The fourth proportional to 56,859.28, 85,229.34 and 31,862.68 is: 47,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,859.28 : 85,229.34 = 31,862.68 : x
  2. Step 2: Convert to fraction form
    56,859.28/85,229.34 = 31,862.68/x
  3. Step 3: Cross multiply
    56,859.28x = 85,229.34 × 31,862.68
  4. Step 4: Simplify right side
    56,859.28x = 2,715,635,187.03
  5. Step 5: Solve for x
    x = 2,715,635,187.03/56,859.28
  6. Step 6: Final answer
    x = 47,760.63

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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.