Home / 45,793.78-68,690.97-12,517.36

Finding the Fourth Proportional to 45,793.78, 68,690.97 and 12,517.36

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Solution

The fourth proportional to 45,793.78, 68,690.97 and 12,517.36 is: 18,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793.78 : 68,690.97 = 12,517.36 : x
  2. Step 2: Convert to fraction form
    45,793.78/68,690.97 = 12,517.36/x
  3. Step 3: Cross multiply
    45,793.78x = 68,690.97 × 12,517.36
  4. Step 4: Simplify right side
    45,793.78x = 859,829,428.51
  5. Step 5: Solve for x
    x = 859,829,428.51/45,793.78
  6. Step 6: Final answer
    x = 18,776.12

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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.