Home / 48,431.86-72,645.01-15,147.97

Finding the Fourth Proportional to 48,431.86, 72,645.01 and 15,147.97

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Solution

The fourth proportional to 48,431.86, 72,645.01 and 15,147.97 is: 22,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,431.86 : 72,645.01 = 15,147.97 : x
  2. Step 2: Convert to fraction form
    48,431.86/72,645.01 = 15,147.97/x
  3. Step 3: Cross multiply
    48,431.86x = 72,645.01 × 15,147.97
  4. Step 4: Simplify right side
    48,431.86x = 1,100,424,212.65
  5. Step 5: Solve for x
    x = 1,100,424,212.65/48,431.86
  6. Step 6: Final answer
    x = 22,721.08

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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.