Home / 42,147.20-63,224.06-12,562.76

Finding the Fourth Proportional to 42,147.20, 63,224.06 and 12,562.76

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Solution

The fourth proportional to 42,147.20, 63,224.06 and 12,562.76 is: 18,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,147.20 : 63,224.06 = 12,562.76 : x
  2. Step 2: Convert to fraction form
    42,147.20/63,224.06 = 12,562.76/x
  3. Step 3: Cross multiply
    42,147.20x = 63,224.06 × 12,562.76
  4. Step 4: Simplify right side
    42,147.20x = 794,268,692.01
  5. Step 5: Solve for x
    x = 794,268,692.01/42,147.20
  6. Step 6: Final answer
    x = 18,845.11

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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.