Home / 55,421.92-83,133.24-22,144.78

Finding the Fourth Proportional to 55,421.92, 83,133.24 and 22,144.78

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Solution

The fourth proportional to 55,421.92, 83,133.24 and 22,144.78 is: 33,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,421.92 : 83,133.24 = 22,144.78 : x
  2. Step 2: Convert to fraction form
    55,421.92/83,133.24 = 22,144.78/x
  3. Step 3: Cross multiply
    55,421.92x = 83,133.24 × 22,144.78
  4. Step 4: Simplify right side
    55,421.92x = 1,840,967,310.49
  5. Step 5: Solve for x
    x = 1,840,967,310.49/55,421.92
  6. Step 6: Final answer
    x = 33,217.31

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1.5x scale

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.