Home / 39,751.18-54,857.67-21,846.66

Finding the Fourth Proportional to 39,751.18, 54,857.67 and 21,846.66

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Solution

The fourth proportional to 39,751.18, 54,857.67 and 21,846.66 is: 30,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751.18 : 54,857.67 = 21,846.66 : x
  2. Step 2: Convert to fraction form
    39,751.18/54,857.67 = 21,846.66/x
  3. Step 3: Cross multiply
    39,751.18x = 54,857.67 × 21,846.66
  4. Step 4: Simplify right side
    39,751.18x = 1,198,456,569.39
  5. Step 5: Solve for x
    x = 1,198,456,569.39/39,751.18
  6. Step 6: Final answer
    x = 30,148.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.