Home / 39,191.16-54,086.22-22,426.68

Finding the Fourth Proportional to 39,191.16, 54,086.22 and 22,426.68

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Solution

The fourth proportional to 39,191.16, 54,086.22 and 22,426.68 is: 30,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.16 : 54,086.22 = 22,426.68 : x
  2. Step 2: Convert to fraction form
    39,191.16/54,086.22 = 22,426.68/x
  3. Step 3: Cross multiply
    39,191.16x = 54,086.22 × 22,426.68
  4. Step 4: Simplify right side
    39,191.16x = 1,212,974,348.35
  5. Step 5: Solve for x
    x = 1,212,974,348.35/39,191.16
  6. Step 6: Final answer
    x = 30,950.20

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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.