Home / 40,049.28-55,267.02-22,143.82

Finding the Fourth Proportional to 40,049.28, 55,267.02 and 22,143.82

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Solution

The fourth proportional to 40,049.28, 55,267.02 and 22,143.82 is: 30,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.28 : 55,267.02 = 22,143.82 : x
  2. Step 2: Convert to fraction form
    40,049.28/55,267.02 = 22,143.82/x
  3. Step 3: Cross multiply
    40,049.28x = 55,267.02 × 22,143.82
  4. Step 4: Simplify right side
    40,049.28x = 1,223,822,942.82
  5. Step 5: Solve for x
    x = 1,223,822,942.82/40,049.28
  6. Step 6: Final answer
    x = 30,557.93

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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.