Home / 39,974.16-59,961.78-15,009.60

Finding the Fourth Proportional to 39,974.16, 59,961.78 and 15,009.60

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Solution

The fourth proportional to 39,974.16, 59,961.78 and 15,009.60 is: 22,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.16 : 59,961.78 = 15,009.60 : x
  2. Step 2: Convert to fraction form
    39,974.16/59,961.78 = 15,009.60/x
  3. Step 3: Cross multiply
    39,974.16x = 59,961.78 × 15,009.60
  4. Step 4: Simplify right side
    39,974.16x = 900,002,333.09
  5. Step 5: Solve for x
    x = 900,002,333.09/39,974.16
  6. Step 6: Final answer
    x = 22,514.60

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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.