Home / 40,694.60-61,081.35-19,649.49

Finding the Fourth Proportional to 40,694.60, 61,081.35 and 19,649.49

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Solution

The fourth proportional to 40,694.60, 61,081.35 and 19,649.49 is: 29,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694.60 : 61,081.35 = 19,649.49 : x
  2. Step 2: Convert to fraction form
    40,694.60/61,081.35 = 19,649.49/x
  3. Step 3: Cross multiply
    40,694.60x = 61,081.35 × 19,649.49
  4. Step 4: Simplify right side
    40,694.60x = 1,200,217,376.01
  5. Step 5: Solve for x
    x = 1,200,217,376.01/40,694.60
  6. Step 6: Final answer
    x = 29,493.28

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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.