Home / 47,578.68-71,378.04-17,995.88

Finding the Fourth Proportional to 47,578.68, 71,378.04 and 17,995.88

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Solution

The fourth proportional to 47,578.68, 71,378.04 and 17,995.88 is: 26,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.68 : 71,378.04 = 17,995.88 : x
  2. Step 2: Convert to fraction form
    47,578.68/71,378.04 = 17,995.88/x
  3. Step 3: Cross multiply
    47,578.68x = 71,378.04 × 17,995.88
  4. Step 4: Simplify right side
    47,578.68x = 1,284,510,642.48
  5. Step 5: Solve for x
    x = 1,284,510,642.48/47,578.68
  6. Step 6: Final answer
    x = 26,997.61

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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.