Home / 38,581.16-57,880.66-11,926.14

Finding the Fourth Proportional to 38,581.16, 57,880.66 and 11,926.14

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Solution

The fourth proportional to 38,581.16, 57,880.66 and 11,926.14 is: 17,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,581.16 : 57,880.66 = 11,926.14 : x
  2. Step 2: Convert to fraction form
    38,581.16/57,880.66 = 11,926.14/x
  3. Step 3: Cross multiply
    38,581.16x = 57,880.66 × 11,926.14
  4. Step 4: Simplify right side
    38,581.16x = 690,292,854.45
  5. Step 5: Solve for x
    x = 690,292,854.45/38,581.16
  6. Step 6: Final answer
    x = 17,891.97

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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.