Home / 38,301.66-57,518.10-30,559.68

Finding the Fourth Proportional to 38,301.66, 57,518.10 and 30,559.68

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Solution

The fourth proportional to 38,301.66, 57,518.10 and 30,559.68 is: 45,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,301.66 : 57,518.10 = 30,559.68 : x
  2. Step 2: Convert to fraction form
    38,301.66/57,518.10 = 30,559.68/x
  3. Step 3: Cross multiply
    38,301.66x = 57,518.10 × 30,559.68
  4. Step 4: Simplify right side
    38,301.66x = 1,757,734,730.21
  5. Step 5: Solve for x
    x = 1,757,734,730.21/38,301.66
  6. Step 6: Final answer
    x = 45,891.87

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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.