Home / 45,769.88-68,665.78-19,101.04

Finding the Fourth Proportional to 45,769.88, 68,665.78 and 19,101.04

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Solution

The fourth proportional to 45,769.88, 68,665.78 and 19,101.04 is: 28,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,769.88 : 68,665.78 = 19,101.04 : x
  2. Step 2: Convert to fraction form
    45,769.88/68,665.78 = 19,101.04/x
  3. Step 3: Cross multiply
    45,769.88x = 68,665.78 × 19,101.04
  4. Step 4: Simplify right side
    45,769.88x = 1,311,587,810.41
  5. Step 5: Solve for x
    x = 1,311,587,810.41/45,769.88
  6. Step 6: Final answer
    x = 28,656.13

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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.