Home / 39,839.38-54,981.55-22,845.19

Finding the Fourth Proportional to 39,839.38, 54,981.55 and 22,845.19

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Solution

The fourth proportional to 39,839.38, 54,981.55 and 22,845.19 is: 31,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,839.38 : 54,981.55 = 22,845.19 : x
  2. Step 2: Convert to fraction form
    39,839.38/54,981.55 = 22,845.19/x
  3. Step 3: Cross multiply
    39,839.38x = 54,981.55 × 22,845.19
  4. Step 4: Simplify right side
    39,839.38x = 1,256,063,956.24
  5. Step 5: Solve for x
    x = 1,256,063,956.24/39,839.38
  6. Step 6: Final answer
    x = 31,528.20

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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.