Home / 67,195.11-100,854.98-33,938.51

Finding the Fourth Proportional to 67,195.11, 100,854.98 and 33,938.51

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Solution

The fourth proportional to 67,195.11, 100,854.98 and 33,938.51 is: 50,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,195.11 : 100,854.98 = 33,938.51 : x
  2. Step 2: Convert to fraction form
    67,195.11/100,854.98 = 33,938.51/x
  3. Step 3: Cross multiply
    67,195.11x = 100,854.98 × 33,938.51
  4. Step 4: Simplify right side
    67,195.11x = 3,422,867,073.31
  5. Step 5: Solve for x
    x = 3,422,867,073.31/67,195.11
  6. Step 6: Final answer
    x = 50,939.23

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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.