Home / 47,940.28-71,853.94-21,614.20

Finding the Fourth Proportional to 47,940.28, 71,853.94 and 21,614.20

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Solution

The fourth proportional to 47,940.28, 71,853.94 and 21,614.20 is: 32,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,940.28 : 71,853.94 = 21,614.20 : x
  2. Step 2: Convert to fraction form
    47,940.28/71,853.94 = 21,614.20/x
  3. Step 3: Cross multiply
    47,940.28x = 71,853.94 × 21,614.20
  4. Step 4: Simplify right side
    47,940.28x = 1,553,065,429.95
  5. Step 5: Solve for x
    x = 1,553,065,429.95/47,940.28
  6. Step 6: Final answer
    x = 32,395.84

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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.