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Finding the Fourth Proportional to 67,235.67, 100,824.35 and 22,850.51

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Solution

The fourth proportional to 67,235.67, 100,824.35 and 22,850.51 is: 34,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,235.67 : 100,824.35 = 22,850.51 : x
  2. Step 2: Convert to fraction form
    67,235.67/100,824.35 = 22,850.51/x
  3. Step 3: Cross multiply
    67,235.67x = 100,824.35 × 22,850.51
  4. Step 4: Simplify right side
    67,235.67x = 2,303,887,199.54
  5. Step 5: Solve for x
    x = 2,303,887,199.54/67,235.67
  6. Step 6: Final answer
    x = 34,265.85

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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.