Home / 41,769.16-57,717.75-30,418.90

Finding the Fourth Proportional to 41,769.16, 57,717.75 and 30,418.90

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Solution

The fourth proportional to 41,769.16, 57,717.75 and 30,418.90 is: 42,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,769.16 : 57,717.75 = 30,418.90 : x
  2. Step 2: Convert to fraction form
    41,769.16/57,717.75 = 30,418.90/x
  3. Step 3: Cross multiply
    41,769.16x = 57,717.75 × 30,418.90
  4. Step 4: Simplify right side
    41,769.16x = 1,755,710,465.48
  5. Step 5: Solve for x
    x = 1,755,710,465.48/41,769.16
  6. Step 6: Final answer
    x = 42,033.66

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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.