Home / 40,323.92-55,648.88-22,418.66

Finding the Fourth Proportional to 40,323.92, 55,648.88 and 22,418.66

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Solution

The fourth proportional to 40,323.92, 55,648.88 and 22,418.66 is: 30,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.92 : 55,648.88 = 22,418.66 : x
  2. Step 2: Convert to fraction form
    40,323.92/55,648.88 = 22,418.66/x
  3. Step 3: Cross multiply
    40,323.92x = 55,648.88 × 22,418.66
  4. Step 4: Simplify right side
    40,323.92x = 1,247,572,929.76
  5. Step 5: Solve for x
    x = 1,247,572,929.76/40,323.92
  6. Step 6: Final answer
    x = 30,938.78

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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.