Home / 42,366.88-63,508.98-20,174.28

Finding the Fourth Proportional to 42,366.88, 63,508.98 and 20,174.28

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Solution

The fourth proportional to 42,366.88, 63,508.98 and 20,174.28 is: 30,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366.88 : 63,508.98 = 20,174.28 : x
  2. Step 2: Convert to fraction form
    42,366.88/63,508.98 = 20,174.28/x
  3. Step 3: Cross multiply
    42,366.88x = 63,508.98 × 20,174.28
  4. Step 4: Simplify right side
    42,366.88x = 1,281,247,945.03
  5. Step 5: Solve for x
    x = 1,281,247,945.03/42,366.88
  6. Step 6: Final answer
    x = 30,241.73

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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.