Home / 40,230.68-55,521.81-22,329.18

Finding the Fourth Proportional to 40,230.68, 55,521.81 and 22,329.18

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Solution

The fourth proportional to 40,230.68, 55,521.81 and 22,329.18 is: 30,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.68 : 55,521.81 = 22,329.18 : x
  2. Step 2: Convert to fraction form
    40,230.68/55,521.81 = 22,329.18/x
  3. Step 3: Cross multiply
    40,230.68x = 55,521.81 × 22,329.18
  4. Step 4: Simplify right side
    40,230.68x = 1,239,756,489.42
  5. Step 5: Solve for x
    x = 1,239,756,489.42/40,230.68
  6. Step 6: Final answer
    x = 30,816.20

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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.