Home / 55,153.80-82,772.43-40,401.06

Finding the Fourth Proportional to 55,153.80, 82,772.43 and 40,401.06

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Solution

The fourth proportional to 55,153.80, 82,772.43 and 40,401.06 is: 60,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,153.80 : 82,772.43 = 40,401.06 : x
  2. Step 2: Convert to fraction form
    55,153.80/82,772.43 = 40,401.06/x
  3. Step 3: Cross multiply
    55,153.80x = 82,772.43 × 40,401.06
  4. Step 4: Simplify right side
    55,153.80x = 3,344,093,910.78
  5. Step 5: Solve for x
    x = 3,344,093,910.78/55,153.80
  6. Step 6: Final answer
    x = 60,632.16

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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.