Home / 38,373.24-57,483.32-30,489.11

Finding the Fourth Proportional to 38,373.24, 57,483.32 and 30,489.11

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Solution

The fourth proportional to 38,373.24, 57,483.32 and 30,489.11 is: 45,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373.24 : 57,483.32 = 30,489.11 : x
  2. Step 2: Convert to fraction form
    38,373.24/57,483.32 = 30,489.11/x
  3. Step 3: Cross multiply
    38,373.24x = 57,483.32 × 30,489.11
  4. Step 4: Simplify right side
    38,373.24x = 1,752,614,826.78
  5. Step 5: Solve for x
    x = 1,752,614,826.78/38,373.24
  6. Step 6: Final answer
    x = 45,672.84

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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.