Home / 43,747.80-65,621.70-34,999.80

Finding the Fourth Proportional to 43,747.80, 65,621.70 and 34,999.80

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Solution

The fourth proportional to 43,747.80, 65,621.70 and 34,999.80 is: 52,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,747.80 : 65,621.70 = 34,999.80 : x
  2. Step 2: Convert to fraction form
    43,747.80/65,621.70 = 34,999.80/x
  3. Step 3: Cross multiply
    43,747.80x = 65,621.70 × 34,999.80
  4. Step 4: Simplify right side
    43,747.80x = 2,296,746,375.66
  5. Step 5: Solve for x
    x = 2,296,746,375.66/43,747.80
  6. Step 6: Final answer
    x = 52,499.70

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Similar ratio
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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.