Home / 55,627.11-76,764.78-30,132.99

Finding the Fourth Proportional to 55,627.11, 76,764.78 and 30,132.99

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Solution

The fourth proportional to 55,627.11, 76,764.78 and 30,132.99 is: 41,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,627.11 : 76,764.78 = 30,132.99 : x
  2. Step 2: Convert to fraction form
    55,627.11/76,764.78 = 30,132.99/x
  3. Step 3: Cross multiply
    55,627.11x = 76,764.78 × 30,132.99
  4. Step 4: Simplify right side
    55,627.11x = 2,313,152,348.09
  5. Step 5: Solve for x
    x = 2,313,152,348.09/55,627.11
  6. Step 6: Final answer
    x = 41,583.18

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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.