Home / 51,854.10-77,763.85-20,255.97

Finding the Fourth Proportional to 51,854.10, 77,763.85 and 20,255.97

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Solution

The fourth proportional to 51,854.10, 77,763.85 and 20,255.97 is: 30,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,854.10 : 77,763.85 = 20,255.97 : x
  2. Step 2: Convert to fraction form
    51,854.10/77,763.85 = 20,255.97/x
  3. Step 3: Cross multiply
    51,854.10x = 77,763.85 × 20,255.97
  4. Step 4: Simplify right side
    51,854.10x = 1,575,182,212.68
  5. Step 5: Solve for x
    x = 1,575,182,212.68/51,854.10
  6. Step 6: Final answer
    x = 30,377.20

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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.