Home / 45,425.28-68,132.16-17,742.72

Finding the Fourth Proportional to 45,425.28, 68,132.16 and 17,742.72

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Solution

The fourth proportional to 45,425.28, 68,132.16 and 17,742.72 is: 26,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,425.28 : 68,132.16 = 17,742.72 : x
  2. Step 2: Convert to fraction form
    45,425.28/68,132.16 = 17,742.72/x
  3. Step 3: Cross multiply
    45,425.28x = 68,132.16 × 17,742.72
  4. Step 4: Simplify right side
    45,425.28x = 1,208,849,837.88
  5. Step 5: Solve for x
    x = 1,208,849,837.88/45,425.28
  6. Step 6: Final answer
    x = 26,611.83

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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.