Home / 55,343.78-76,382.97-32,685.22

Finding the Fourth Proportional to 55,343.78, 76,382.97 and 32,685.22

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Solution

The fourth proportional to 55,343.78, 76,382.97 and 32,685.22 is: 45,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.78 : 76,382.97 = 32,685.22 : x
  2. Step 2: Convert to fraction form
    55,343.78/76,382.97 = 32,685.22/x
  3. Step 3: Cross multiply
    55,343.78x = 76,382.97 × 32,685.22
  4. Step 4: Simplify right side
    55,343.78x = 2,496,594,178.70
  5. Step 5: Solve for x
    x = 2,496,594,178.70/55,343.78
  6. Step 6: Final answer
    x = 45,110.66

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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.