Home / 47,057.20-70,247.31-40,321.17

Finding the Fourth Proportional to 47,057.20, 70,247.31 and 40,321.17

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Solution

The fourth proportional to 47,057.20, 70,247.31 and 40,321.17 is: 60,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,057.20 : 70,247.31 = 40,321.17 : x
  2. Step 2: Convert to fraction form
    47,057.20/70,247.31 = 40,321.17/x
  3. Step 3: Cross multiply
    47,057.20x = 70,247.31 × 40,321.17
  4. Step 4: Simplify right side
    47,057.20x = 2,832,453,728.55
  5. Step 5: Solve for x
    x = 2,832,453,728.55/47,057.20
  6. Step 6: Final answer
    x = 60,191.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.