Home / 46,453.20-69,691.80-20,151.92

Finding the Fourth Proportional to 46,453.20, 69,691.80 and 20,151.92

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Solution

The fourth proportional to 46,453.20, 69,691.80 and 20,151.92 is: 30,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,453.20 : 69,691.80 = 20,151.92 : x
  2. Step 2: Convert to fraction form
    46,453.20/69,691.80 = 20,151.92/x
  3. Step 3: Cross multiply
    46,453.20x = 69,691.80 × 20,151.92
  4. Step 4: Simplify right side
    46,453.20x = 1,404,423,578.26
  5. Step 5: Solve for x
    x = 1,404,423,578.26/46,453.20
  6. Step 6: Final answer
    x = 30,233.09

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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.