Home / 47,478.28-71,216.76-14,198.60

Finding the Fourth Proportional to 47,478.28, 71,216.76 and 14,198.60

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Solution

The fourth proportional to 47,478.28, 71,216.76 and 14,198.60 is: 21,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478.28 : 71,216.76 = 14,198.60 : x
  2. Step 2: Convert to fraction form
    47,478.28/71,216.76 = 14,198.60/x
  3. Step 3: Cross multiply
    47,478.28x = 71,216.76 × 14,198.60
  4. Step 4: Simplify right side
    47,478.28x = 1,011,178,288.54
  5. Step 5: Solve for x
    x = 1,011,178,288.54/47,478.28
  6. Step 6: Final answer
    x = 21,297.70

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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.