Home / 55,255.88-76,252.92-31,377.80

Finding the Fourth Proportional to 55,255.88, 76,252.92 and 31,377.80

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Solution

The fourth proportional to 55,255.88, 76,252.92 and 31,377.80 is: 43,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,255.88 : 76,252.92 = 31,377.80 : x
  2. Step 2: Convert to fraction form
    55,255.88/76,252.92 = 31,377.80/x
  3. Step 3: Cross multiply
    55,255.88x = 76,252.92 × 31,377.80
  4. Step 4: Simplify right side
    55,255.88x = 2,392,648,873.18
  5. Step 5: Solve for x
    x = 2,392,648,873.18/55,255.88
  6. Step 6: Final answer
    x = 43,301.25

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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.