Home / 55,760.16-76,949.20-30,266.55

Finding the Fourth Proportional to 55,760.16, 76,949.20 and 30,266.55

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Solution

The fourth proportional to 55,760.16, 76,949.20 and 30,266.55 is: 41,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,760.16 : 76,949.20 = 30,266.55 : x
  2. Step 2: Convert to fraction form
    55,760.16/76,949.20 = 30,266.55/x
  3. Step 3: Cross multiply
    55,760.16x = 76,949.20 × 30,266.55
  4. Step 4: Simplify right side
    55,760.16x = 2,328,986,348.85
  5. Step 5: Solve for x
    x = 2,328,986,348.85/55,760.16
  6. Step 6: Final answer
    x = 41,767.93

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1.5x scale

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.