Home / 43,437.03-65,481.05-40,543.70

Finding the Fourth Proportional to 43,437.03, 65,481.05 and 40,543.70

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Solution

The fourth proportional to 43,437.03, 65,481.05 and 40,543.70 is: 61,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,437.03 : 65,481.05 = 40,543.70 : x
  2. Step 2: Convert to fraction form
    43,437.03/65,481.05 = 40,543.70/x
  3. Step 3: Cross multiply
    43,437.03x = 65,481.05 × 40,543.70
  4. Step 4: Simplify right side
    43,437.03x = 2,654,843,516.76
  5. Step 5: Solve for x
    x = 2,654,843,516.76/43,437.03
  6. Step 6: Final answer
    x = 61,119.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.