Home / 55,480.20-83,220.30-22,205.40

Finding the Fourth Proportional to 55,480.20, 83,220.30 and 22,205.40

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Solution

The fourth proportional to 55,480.20, 83,220.30 and 22,205.40 is: 33,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.20 : 83,220.30 = 22,205.40 : x
  2. Step 2: Convert to fraction form
    55,480.20/83,220.30 = 22,205.40/x
  3. Step 3: Cross multiply
    55,480.20x = 83,220.30 × 22,205.40
  4. Step 4: Simplify right side
    55,480.20x = 1,847,940,049.62
  5. Step 5: Solve for x
    x = 1,847,940,049.62/55,480.20
  6. Step 6: Final answer
    x = 33,308.10

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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.