Home / 66,780.48-100,176.18-22,407.60

Finding the Fourth Proportional to 66,780.48, 100,176.18 and 22,407.60

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Solution

The fourth proportional to 66,780.48, 100,176.18 and 22,407.60 is: 33,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,780.48 : 100,176.18 = 22,407.60 : x
  2. Step 2: Convert to fraction form
    66,780.48/100,176.18 = 22,407.60/x
  3. Step 3: Cross multiply
    66,780.48x = 100,176.18 × 22,407.60
  4. Step 4: Simplify right side
    66,780.48x = 2,244,707,770.97
  5. Step 5: Solve for x
    x = 2,244,707,770.97/66,780.48
  6. Step 6: Final answer
    x = 33,613.23

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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.