Home / 45,398.72-68,034.80-17,288.48

Finding the Fourth Proportional to 45,398.72, 68,034.80 and 17,288.48

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Solution

The fourth proportional to 45,398.72, 68,034.80 and 17,288.48 is: 25,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398.72 : 68,034.80 = 17,288.48 : x
  2. Step 2: Convert to fraction form
    45,398.72/68,034.80 = 17,288.48/x
  3. Step 3: Cross multiply
    45,398.72x = 68,034.80 × 17,288.48
  4. Step 4: Simplify right side
    45,398.72x = 1,176,218,279.10
  5. Step 5: Solve for x
    x = 1,176,218,279.10/45,398.72
  6. Step 6: Final answer
    x = 25,908.62

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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.