Home / 45,511.11-62,802.27-28,514.88

Finding the Fourth Proportional to 45,511.11, 62,802.27 and 28,514.88

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Solution

The fourth proportional to 45,511.11, 62,802.27 and 28,514.88 is: 39,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,511.11 : 62,802.27 = 28,514.88 : x
  2. Step 2: Convert to fraction form
    45,511.11/62,802.27 = 28,514.88/x
  3. Step 3: Cross multiply
    45,511.11x = 62,802.27 × 28,514.88
  4. Step 4: Simplify right side
    45,511.11x = 1,790,799,192.78
  5. Step 5: Solve for x
    x = 1,790,799,192.78/45,511.11
  6. Step 6: Final answer
    x = 39,348.62

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1.5x scale

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.