Home / 41,770.16-57,719.13-30,419.90

Finding the Fourth Proportional to 41,770.16, 57,719.13 and 30,419.90

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Solution

The fourth proportional to 41,770.16, 57,719.13 and 30,419.90 is: 42,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,770.16 : 57,719.13 = 30,419.90 : x
  2. Step 2: Convert to fraction form
    41,770.16/57,719.13 = 30,419.90/x
  3. Step 3: Cross multiply
    41,770.16x = 57,719.13 × 30,419.90
  4. Step 4: Simplify right side
    41,770.16x = 1,755,810,162.69
  5. Step 5: Solve for x
    x = 1,755,810,162.69/41,770.16
  6. Step 6: Final answer
    x = 42,035.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.