Home / 49,278.40-73,901.40-18,109.60

Finding the Fourth Proportional to 49,278.40, 73,901.40 and 18,109.60

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Solution

The fourth proportional to 49,278.40, 73,901.40 and 18,109.60 is: 27,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,278.40 : 73,901.40 = 18,109.60 : x
  2. Step 2: Convert to fraction form
    49,278.40/73,901.40 = 18,109.60/x
  3. Step 3: Cross multiply
    49,278.40x = 73,901.40 × 18,109.60
  4. Step 4: Simplify right side
    49,278.40x = 1,338,324,793.44
  5. Step 5: Solve for x
    x = 1,338,324,793.44/49,278.40
  6. Step 6: Final answer
    x = 27,158.45

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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.