Home / 49,471.43-74,146.19-28,142.03

Finding the Fourth Proportional to 49,471.43, 74,146.19 and 28,142.03

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Solution

The fourth proportional to 49,471.43, 74,146.19 and 28,142.03 is: 42,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,471.43 : 74,146.19 = 28,142.03 : x
  2. Step 2: Convert to fraction form
    49,471.43/74,146.19 = 28,142.03/x
  3. Step 3: Cross multiply
    49,471.43x = 74,146.19 × 28,142.03
  4. Step 4: Simplify right side
    49,471.43x = 2,086,624,348.02
  5. Step 5: Solve for x
    x = 2,086,624,348.02/49,471.43
  6. Step 6: Final answer
    x = 42,178.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.