Home / 42,282.46-63,445.56-20,091.70

Finding the Fourth Proportional to 42,282.46, 63,445.56 and 20,091.70

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Solution

The fourth proportional to 42,282.46, 63,445.56 and 20,091.70 is: 30,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,282.46 : 63,445.56 = 20,091.70 : x
  2. Step 2: Convert to fraction form
    42,282.46/63,445.56 = 20,091.70/x
  3. Step 3: Cross multiply
    42,282.46x = 63,445.56 × 20,091.70
  4. Step 4: Simplify right side
    42,282.46x = 1,274,729,157.85
  5. Step 5: Solve for x
    x = 1,274,729,157.85/42,282.46
  6. Step 6: Final answer
    x = 30,147.94

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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.