Home / 57,179.32-85,769.18-40,488.86

Finding the Fourth Proportional to 57,179.32, 85,769.18 and 40,488.86

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Solution

The fourth proportional to 57,179.32, 85,769.18 and 40,488.86 is: 60,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.32 : 85,769.18 = 40,488.86 : x
  2. Step 2: Convert to fraction form
    57,179.32/85,769.18 = 40,488.86/x
  3. Step 3: Cross multiply
    57,179.32x = 85,769.18 × 40,488.86
  4. Step 4: Simplify right side
    57,179.32x = 3,472,696,485.15
  5. Step 5: Solve for x
    x = 3,472,696,485.15/57,179.32
  6. Step 6: Final answer
    x = 60,733.44

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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.