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Finding the Fourth Proportional to 67,012.06, 100,518.51 and 22,639.06

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Solution

The fourth proportional to 67,012.06, 100,518.51 and 22,639.06 is: 33,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,012.06 : 100,518.51 = 22,639.06 : x
  2. Step 2: Convert to fraction form
    67,012.06/100,518.51 = 22,639.06/x
  3. Step 3: Cross multiply
    67,012.06x = 100,518.51 × 22,639.06
  4. Step 4: Simplify right side
    67,012.06x = 2,275,644,579.00
  5. Step 5: Solve for x
    x = 2,275,644,579.00/67,012.06
  6. Step 6: Final answer
    x = 33,958.73

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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.