Home / 39,446.20-54,436.06-22,451.75

Finding the Fourth Proportional to 39,446.20, 54,436.06 and 22,451.75

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Solution

The fourth proportional to 39,446.20, 54,436.06 and 22,451.75 is: 30,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.20 : 54,436.06 = 22,451.75 : x
  2. Step 2: Convert to fraction form
    39,446.20/54,436.06 = 22,451.75/x
  3. Step 3: Cross multiply
    39,446.20x = 54,436.06 × 22,451.75
  4. Step 4: Simplify right side
    39,446.20x = 1,222,184,810.11
  5. Step 5: Solve for x
    x = 1,222,184,810.11/39,446.20
  6. Step 6: Final answer
    x = 30,983.59

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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.