Home / 57,385.20-79,178.60-34,723.62

Finding the Fourth Proportional to 57,385.20, 79,178.60 and 34,723.62

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Solution

The fourth proportional to 57,385.20, 79,178.60 and 34,723.62 is: 47,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,385.20 : 79,178.60 = 34,723.62 : x
  2. Step 2: Convert to fraction form
    57,385.20/79,178.60 = 34,723.62/x
  3. Step 3: Cross multiply
    57,385.20x = 79,178.60 × 34,723.62
  4. Step 4: Simplify right side
    57,385.20x = 2,749,367,618.53
  5. Step 5: Solve for x
    x = 2,749,367,618.53/57,385.20
  6. Step 6: Final answer
    x = 47,910.74

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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.