Home / 57,352.20-79,158.69-31,867.32

Finding the Fourth Proportional to 57,352.20, 79,158.69 and 31,867.32

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Solution

The fourth proportional to 57,352.20, 79,158.69 and 31,867.32 is: 43,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352.20 : 79,158.69 = 31,867.32 : x
  2. Step 2: Convert to fraction form
    57,352.20/79,158.69 = 31,867.32/x
  3. Step 3: Cross multiply
    57,352.20x = 79,158.69 × 31,867.32
  4. Step 4: Simplify right side
    57,352.20x = 2,522,575,601.86
  5. Step 5: Solve for x
    x = 2,522,575,601.86/57,352.20
  6. Step 6: Final answer
    x = 43,983.94

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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.