Home / 42,453.20-63,679.80-22,770.20

Finding the Fourth Proportional to 42,453.20, 63,679.80 and 22,770.20

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Solution

The fourth proportional to 42,453.20, 63,679.80 and 22,770.20 is: 34,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,453.20 : 63,679.80 = 22,770.20 : x
  2. Step 2: Convert to fraction form
    42,453.20/63,679.80 = 22,770.20/x
  3. Step 3: Cross multiply
    42,453.20x = 63,679.80 × 22,770.20
  4. Step 4: Simplify right side
    42,453.20x = 1,450,001,781.96
  5. Step 5: Solve for x
    x = 1,450,001,781.96/42,453.20
  6. Step 6: Final answer
    x = 34,155.30

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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.