Home / 45,638.78-62,979.35-25,491.65

Finding the Fourth Proportional to 45,638.78, 62,979.35 and 25,491.65

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Solution

The fourth proportional to 45,638.78, 62,979.35 and 25,491.65 is: 35,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,638.78 : 62,979.35 = 25,491.65 : x
  2. Step 2: Convert to fraction form
    45,638.78/62,979.35 = 25,491.65/x
  3. Step 3: Cross multiply
    45,638.78x = 62,979.35 × 25,491.65
  4. Step 4: Simplify right side
    45,638.78x = 1,605,447,105.07
  5. Step 5: Solve for x
    x = 1,605,447,105.07/45,638.78
  6. Step 6: Final answer
    x = 35,177.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.