Home / 29,077.03-43,620.18-12,437.20

Finding the Fourth Proportional to 29,077.03, 43,620.18 and 12,437.20

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Solution

The fourth proportional to 29,077.03, 43,620.18 and 12,437.20 is: 18,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,077.03 : 43,620.18 = 12,437.20 : x
  2. Step 2: Convert to fraction form
    29,077.03/43,620.18 = 12,437.20/x
  3. Step 3: Cross multiply
    29,077.03x = 43,620.18 × 12,437.20
  4. Step 4: Simplify right side
    29,077.03x = 542,512,902.70
  5. Step 5: Solve for x
    x = 542,512,902.70/29,077.03
  6. Step 6: Final answer
    x = 18,657.78

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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.