Home / 47,572.28-71,372.84-17,999.20

Finding the Fourth Proportional to 47,572.28, 71,372.84 and 17,999.20

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Solution

The fourth proportional to 47,572.28, 71,372.84 and 17,999.20 is: 27,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,572.28 : 71,372.84 = 17,999.20 : x
  2. Step 2: Convert to fraction form
    47,572.28/71,372.84 = 17,999.20/x
  3. Step 3: Cross multiply
    47,572.28x = 71,372.84 × 17,999.20
  4. Step 4: Simplify right side
    47,572.28x = 1,284,654,021.73
  5. Step 5: Solve for x
    x = 1,284,654,021.73/47,572.28
  6. Step 6: Final answer
    x = 27,004.26

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1.5x scale

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.