Home / 39,986.18-55,180.94-22,082.40

Finding the Fourth Proportional to 39,986.18, 55,180.94 and 22,082.40

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Solution

The fourth proportional to 39,986.18, 55,180.94 and 22,082.40 is: 30,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.18 : 55,180.94 = 22,082.40 : x
  2. Step 2: Convert to fraction form
    39,986.18/55,180.94 = 22,082.40/x
  3. Step 3: Cross multiply
    39,986.18x = 55,180.94 × 22,082.40
  4. Step 4: Simplify right side
    39,986.18x = 1,218,527,589.46
  5. Step 5: Solve for x
    x = 1,218,527,589.46/39,986.18
  6. Step 6: Final answer
    x = 30,473.72

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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.