Home / 40,180.62-55,449-22,275.63

Finding the Fourth Proportional to 40,180.62, 55,449 and 22,275.63

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Solution

The fourth proportional to 40,180.62, 55,449 and 22,275.63 is: 30,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,180.62 : 55,449 = 22,275.63 : x
  2. Step 2: Convert to fraction form
    40,180.62/55,449 = 22,275.63/x
  3. Step 3: Cross multiply
    40,180.62x = 55,449 × 22,275.63
  4. Step 4: Simplify right side
    40,180.62x = 1,235,161,407.87
  5. Step 5: Solve for x
    x = 1,235,161,407.87/40,180.62
  6. Step 6: Final answer
    x = 30,740.23

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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.