Home / 67,079.22-100,622.28-17,159.75

Finding the Fourth Proportional to 67,079.22, 100,622.28 and 17,159.75

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Solution

The fourth proportional to 67,079.22, 100,622.28 and 17,159.75 is: 25,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.22 : 100,622.28 = 17,159.75 : x
  2. Step 2: Convert to fraction form
    67,079.22/100,622.28 = 17,159.75/x
  3. Step 3: Cross multiply
    67,079.22x = 100,622.28 × 17,159.75
  4. Step 4: Simplify right side
    67,079.22x = 1,726,652,963.02
  5. Step 5: Solve for x
    x = 1,726,652,963.02/67,079.22
  6. Step 6: Final answer
    x = 25,740.50

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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.