Home / 51,874.52-71,587.51-30,377.66

Finding the Fourth Proportional to 51,874.52, 71,587.51 and 30,377.66

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Solution

The fourth proportional to 51,874.52, 71,587.51 and 30,377.66 is: 41,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,874.52 : 71,587.51 = 30,377.66 : x
  2. Step 2: Convert to fraction form
    51,874.52/71,587.51 = 30,377.66/x
  3. Step 3: Cross multiply
    51,874.52x = 71,587.51 × 30,377.66
  4. Step 4: Simplify right side
    51,874.52x = 2,174,660,605.14
  5. Step 5: Solve for x
    x = 2,174,660,605.14/51,874.52
  6. Step 6: Final answer
    x = 41,921.56

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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.