Home / 48,921.80-73,379.01-15,645.38

Finding the Fourth Proportional to 48,921.80, 73,379.01 and 15,645.38

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Solution

The fourth proportional to 48,921.80, 73,379.01 and 15,645.38 is: 23,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,921.80 : 73,379.01 = 15,645.38 : x
  2. Step 2: Convert to fraction form
    48,921.80/73,379.01 = 15,645.38/x
  3. Step 3: Cross multiply
    48,921.80x = 73,379.01 × 15,645.38
  4. Step 4: Simplify right side
    48,921.80x = 1,148,042,495.47
  5. Step 5: Solve for x
    x = 1,148,042,495.47/48,921.80
  6. Step 6: Final answer
    x = 23,466.89

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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.