Home / 81,484.38-122,226.57-22,320.36

Finding the Fourth Proportional to 81,484.38, 122,226.57 and 22,320.36

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Solution

The fourth proportional to 81,484.38, 122,226.57 and 22,320.36 is: 33,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,484.38 : 122,226.57 = 22,320.36 : x
  2. Step 2: Convert to fraction form
    81,484.38/122,226.57 = 22,320.36/x
  3. Step 3: Cross multiply
    81,484.38x = 122,226.57 × 22,320.36
  4. Step 4: Simplify right side
    81,484.38x = 2,728,141,043.97
  5. Step 5: Solve for x
    x = 2,728,141,043.97/81,484.38
  6. Step 6: Final answer
    x = 33,480.54

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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.