Home / 47,821.05-71,734.28-14,542.20

Finding the Fourth Proportional to 47,821.05, 71,734.28 and 14,542.20

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Solution

The fourth proportional to 47,821.05, 71,734.28 and 14,542.20 is: 21,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,821.05 : 71,734.28 = 14,542.20 : x
  2. Step 2: Convert to fraction form
    47,821.05/71,734.28 = 14,542.20/x
  3. Step 3: Cross multiply
    47,821.05x = 71,734.28 × 14,542.20
  4. Step 4: Simplify right side
    47,821.05x = 1,043,174,173.91
  5. Step 5: Solve for x
    x = 1,043,174,173.91/47,821.05
  6. Step 6: Final answer
    x = 21,814.12

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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.