Home / 67,022.32-100,532.79-17,101.88

Finding the Fourth Proportional to 67,022.32, 100,532.79 and 17,101.88

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Solution

The fourth proportional to 67,022.32, 100,532.79 and 17,101.88 is: 25,652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,022.32 : 100,532.79 = 17,101.88 : x
  2. Step 2: Convert to fraction form
    67,022.32/100,532.79 = 17,101.88/x
  3. Step 3: Cross multiply
    67,022.32x = 100,532.79 × 17,101.88
  4. Step 4: Simplify right side
    67,022.32x = 1,719,299,710.65
  5. Step 5: Solve for x
    x = 1,719,299,710.65/67,022.32
  6. Step 6: Final answer
    x = 25,652.64

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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.