Home / 45,727.88-68,531.67-19,400.04

Finding the Fourth Proportional to 45,727.88, 68,531.67 and 19,400.04

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Solution

The fourth proportional to 45,727.88, 68,531.67 and 19,400.04 is: 29,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,727.88 : 68,531.67 = 19,400.04 : x
  2. Step 2: Convert to fraction form
    45,727.88/68,531.67 = 19,400.04/x
  3. Step 3: Cross multiply
    45,727.88x = 68,531.67 × 19,400.04
  4. Step 4: Simplify right side
    45,727.88x = 1,329,517,139.27
  5. Step 5: Solve for x
    x = 1,329,517,139.27/45,727.88
  6. Step 6: Final answer
    x = 29,074.54

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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.