Home / 49,744.64-74,593.56-20,139.96

Finding the Fourth Proportional to 49,744.64, 74,593.56 and 20,139.96

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Solution

The fourth proportional to 49,744.64, 74,593.56 and 20,139.96 is: 30,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,744.64 : 74,593.56 = 20,139.96 : x
  2. Step 2: Convert to fraction form
    49,744.64/74,593.56 = 20,139.96/x
  3. Step 3: Cross multiply
    49,744.64x = 74,593.56 × 20,139.96
  4. Step 4: Simplify right side
    49,744.64x = 1,502,311,314.66
  5. Step 5: Solve for x
    x = 1,502,311,314.66/49,744.64
  6. Step 6: Final answer
    x = 30,200.47

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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.