Home / 45,109.30-62,243.97-25,728.38

Finding the Fourth Proportional to 45,109.30, 62,243.97 and 25,728.38

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Solution

The fourth proportional to 45,109.30, 62,243.97 and 25,728.38 is: 35,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,109.30 : 62,243.97 = 25,728.38 : x
  2. Step 2: Convert to fraction form
    45,109.30/62,243.97 = 25,728.38/x
  3. Step 3: Cross multiply
    45,109.30x = 62,243.97 × 25,728.38
  4. Step 4: Simplify right side
    45,109.30x = 1,601,436,105.17
  5. Step 5: Solve for x
    x = 1,601,436,105.17/45,109.30
  6. Step 6: Final answer
    x = 35,501.24

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1.5x scale

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.