Home / 55,260.89-82,904.29-21,982.85

Finding the Fourth Proportional to 55,260.89, 82,904.29 and 21,982.85

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Solution

The fourth proportional to 55,260.89, 82,904.29 and 21,982.85 is: 32,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,260.89 : 82,904.29 = 21,982.85 : x
  2. Step 2: Convert to fraction form
    55,260.89/82,904.29 = 21,982.85/x
  3. Step 3: Cross multiply
    55,260.89x = 82,904.29 × 21,982.85
  4. Step 4: Simplify right side
    55,260.89x = 1,822,472,571.43
  5. Step 5: Solve for x
    x = 1,822,472,571.43/55,260.89
  6. Step 6: Final answer
    x = 32,979.43

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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.