Home / 40,049.62-55,263.62-22,142.18

Finding the Fourth Proportional to 40,049.62, 55,263.62 and 22,142.18

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Solution

The fourth proportional to 40,049.62, 55,263.62 and 22,142.18 is: 30,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.62 : 55,263.62 = 22,142.18 : x
  2. Step 2: Convert to fraction form
    40,049.62/55,263.62 = 22,142.18/x
  3. Step 3: Cross multiply
    40,049.62x = 55,263.62 × 22,142.18
  4. Step 4: Simplify right side
    40,049.62x = 1,223,657,021.49
  5. Step 5: Solve for x
    x = 1,223,657,021.49/40,049.62
  6. Step 6: Final answer
    x = 30,553.52

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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.