Home / 39,270.38-54,190.05-22,274.78

Finding the Fourth Proportional to 39,270.38, 54,190.05 and 22,274.78

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Solution

The fourth proportional to 39,270.38, 54,190.05 and 22,274.78 is: 30,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,270.38 : 54,190.05 = 22,274.78 : x
  2. Step 2: Convert to fraction form
    39,270.38/54,190.05 = 22,274.78/x
  3. Step 3: Cross multiply
    39,270.38x = 54,190.05 × 22,274.78
  4. Step 4: Simplify right side
    39,270.38x = 1,207,071,441.94
  5. Step 5: Solve for x
    x = 1,207,071,441.94/39,270.38
  6. Step 6: Final answer
    x = 30,737.45

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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.