Home / 39,910.73-55,073.12-22,001.22

Finding the Fourth Proportional to 39,910.73, 55,073.12 and 22,001.22

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Solution

The fourth proportional to 39,910.73, 55,073.12 and 22,001.22 is: 30,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.73 : 55,073.12 = 22,001.22 : x
  2. Step 2: Convert to fraction form
    39,910.73/55,073.12 = 22,001.22/x
  3. Step 3: Cross multiply
    39,910.73x = 55,073.12 × 22,001.22
  4. Step 4: Simplify right side
    39,910.73x = 1,211,675,719.20
  5. Step 5: Solve for x
    x = 1,211,675,719.20/39,910.73
  6. Step 6: Final answer
    x = 30,359.65

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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.