Home / 40,229.79-55,521.21-22,324.92

Finding the Fourth Proportional to 40,229.79, 55,521.21 and 22,324.92

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Solution

The fourth proportional to 40,229.79, 55,521.21 and 22,324.92 is: 30,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,229.79 : 55,521.21 = 22,324.92 : x
  2. Step 2: Convert to fraction form
    40,229.79/55,521.21 = 22,324.92/x
  3. Step 3: Cross multiply
    40,229.79x = 55,521.21 × 22,324.92
  4. Step 4: Simplify right side
    40,229.79x = 1,239,506,571.55
  5. Step 5: Solve for x
    x = 1,239,506,571.55/40,229.79
  6. Step 6: Final answer
    x = 30,810.66

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Half scale
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Double scale
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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.