Home / 66,685.28-100,033.15-22,312.18

Finding the Fourth Proportional to 66,685.28, 100,033.15 and 22,312.18

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Solution

The fourth proportional to 66,685.28, 100,033.15 and 22,312.18 is: 33,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,685.28 : 100,033.15 = 22,312.18 : x
  2. Step 2: Convert to fraction form
    66,685.28/100,033.15 = 22,312.18/x
  3. Step 3: Cross multiply
    66,685.28x = 100,033.15 × 22,312.18
  4. Step 4: Simplify right side
    66,685.28x = 2,231,958,103.96
  5. Step 5: Solve for x
    x = 2,231,958,103.96/66,685.28
  6. Step 6: Final answer
    x = 33,470.03

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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.