Home / 39,426.20-54,406.25-22,428.84

Finding the Fourth Proportional to 39,426.20, 54,406.25 and 22,428.84

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Solution

The fourth proportional to 39,426.20, 54,406.25 and 22,428.84 is: 30,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426.20 : 54,406.25 = 22,428.84 : x
  2. Step 2: Convert to fraction form
    39,426.20/54,406.25 = 22,428.84/x
  3. Step 3: Cross multiply
    39,426.20x = 54,406.25 × 22,428.84
  4. Step 4: Simplify right side
    39,426.20x = 1,220,269,132.32
  5. Step 5: Solve for x
    x = 1,220,269,132.32/39,426.20
  6. Step 6: Final answer
    x = 30,950.71

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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.