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Finding the Fourth Proportional to 67,304.01, 100,956.36 and 17,380.71

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Solution

The fourth proportional to 67,304.01, 100,956.36 and 17,380.71 is: 26,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,304.01 : 100,956.36 = 17,380.71 : x
  2. Step 2: Convert to fraction form
    67,304.01/100,956.36 = 17,380.71/x
  3. Step 3: Cross multiply
    67,304.01x = 100,956.36 × 17,380.71
  4. Step 4: Simplify right side
    67,304.01x = 1,754,693,215.82
  5. Step 5: Solve for x
    x = 1,754,693,215.82/67,304.01
  6. Step 6: Final answer
    x = 26,071.15

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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.