Home / 66,613.54-100,047.48-38,589.88

Finding the Fourth Proportional to 66,613.54, 100,047.48 and 38,589.88

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Solution

The fourth proportional to 66,613.54, 100,047.48 and 38,589.88 is: 57,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,613.54 : 100,047.48 = 38,589.88 : x
  2. Step 2: Convert to fraction form
    66,613.54/100,047.48 = 38,589.88/x
  3. Step 3: Cross multiply
    66,613.54x = 100,047.48 × 38,589.88
  4. Step 4: Simplify right side
    66,613.54x = 3,860,820,247.50
  5. Step 5: Solve for x
    x = 3,860,820,247.50/66,613.54
  6. Step 6: Final answer
    x = 57,958.49

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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.