Home / 57,352.08-79,158.52-31,867.20

Finding the Fourth Proportional to 57,352.08, 79,158.52 and 31,867.20

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Solution

The fourth proportional to 57,352.08, 79,158.52 and 31,867.20 is: 43,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352.08 : 79,158.52 = 31,867.20 : x
  2. Step 2: Convert to fraction form
    57,352.08/79,158.52 = 31,867.20/x
  3. Step 3: Cross multiply
    57,352.08x = 79,158.52 × 31,867.20
  4. Step 4: Simplify right side
    57,352.08x = 2,522,560,388.54
  5. Step 5: Solve for x
    x = 2,522,560,388.54/57,352.08
  6. Step 6: Final answer
    x = 43,983.76

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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.