Home / 40,125.68-55,369.24-22,220.20

Finding the Fourth Proportional to 40,125.68, 55,369.24 and 22,220.20

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Solution

The fourth proportional to 40,125.68, 55,369.24 and 22,220.20 is: 30,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,125.68 : 55,369.24 = 22,220.20 : x
  2. Step 2: Convert to fraction form
    40,125.68/55,369.24 = 22,220.20/x
  3. Step 3: Cross multiply
    40,125.68x = 55,369.24 × 22,220.20
  4. Step 4: Simplify right side
    40,125.68x = 1,230,315,586.65
  5. Step 5: Solve for x
    x = 1,230,315,586.65/40,125.68
  6. Step 6: Final answer
    x = 30,661.55

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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.