Home / 55,645.74-76,817.75-31,767.80

Finding the Fourth Proportional to 55,645.74, 76,817.75 and 31,767.80

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Solution

The fourth proportional to 55,645.74, 76,817.75 and 31,767.80 is: 43,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.74 : 76,817.75 = 31,767.80 : x
  2. Step 2: Convert to fraction form
    55,645.74/76,817.75 = 31,767.80/x
  3. Step 3: Cross multiply
    55,645.74x = 76,817.75 × 31,767.80
  4. Step 4: Simplify right side
    55,645.74x = 2,440,330,375.52
  5. Step 5: Solve for x
    x = 2,440,330,375.52/55,645.74
  6. Step 6: Final answer
    x = 43,854.76

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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.