Home / 33,869.20-50,845.40-21,389.20

Finding the Fourth Proportional to 33,869.20, 50,845.40 and 21,389.20

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Solution

The fourth proportional to 33,869.20, 50,845.40 and 21,389.20 is: 32,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,869.20 : 50,845.40 = 21,389.20 : x
  2. Step 2: Convert to fraction form
    33,869.20/50,845.40 = 21,389.20/x
  3. Step 3: Cross multiply
    33,869.20x = 50,845.40 × 21,389.20
  4. Step 4: Simplify right side
    33,869.20x = 1,087,542,429.68
  5. Step 5: Solve for x
    x = 1,087,542,429.68/33,869.20
  6. Step 6: Final answer
    x = 32,110.07

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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.