Home / 45,415.68-68,034.96-25,634.40

Finding the Fourth Proportional to 45,415.68, 68,034.96 and 25,634.40

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Solution

The fourth proportional to 45,415.68, 68,034.96 and 25,634.40 is: 38,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.68 : 68,034.96 = 25,634.40 : x
  2. Step 2: Convert to fraction form
    45,415.68/68,034.96 = 25,634.40/x
  3. Step 3: Cross multiply
    45,415.68x = 68,034.96 × 25,634.40
  4. Step 4: Simplify right side
    45,415.68x = 1,744,035,378.62
  5. Step 5: Solve for x
    x = 1,744,035,378.62/45,415.68
  6. Step 6: Final answer
    x = 38,401.61

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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.