Home / 67,042.31-100,562.04-17,122.41

Finding the Fourth Proportional to 67,042.31, 100,562.04 and 17,122.41

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Solution

The fourth proportional to 67,042.31, 100,562.04 and 17,122.41 is: 25,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,042.31 : 100,562.04 = 17,122.41 : x
  2. Step 2: Convert to fraction form
    67,042.31/100,562.04 = 17,122.41/x
  3. Step 3: Cross multiply
    67,042.31x = 100,562.04 × 17,122.41
  4. Step 4: Simplify right side
    67,042.31x = 1,721,864,479.32
  5. Step 5: Solve for x
    x = 1,721,864,479.32/67,042.31
  6. Step 6: Final answer
    x = 25,683.25

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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.