Home / 47,353.28-71,022.24-28,388.48

Finding the Fourth Proportional to 47,353.28, 71,022.24 and 28,388.48

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Solution

The fourth proportional to 47,353.28, 71,022.24 and 28,388.48 is: 42,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,353.28 : 71,022.24 = 28,388.48 : x
  2. Step 2: Convert to fraction form
    47,353.28/71,022.24 = 28,388.48/x
  3. Step 3: Cross multiply
    47,353.28x = 71,022.24 × 28,388.48
  4. Step 4: Simplify right side
    47,353.28x = 2,016,213,439.80
  5. Step 5: Solve for x
    x = 2,016,213,439.80/47,353.28
  6. Step 6: Final answer
    x = 42,578.12

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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.