Home / 27,177.48-40,805.16-20,179.08

Finding the Fourth Proportional to 27,177.48, 40,805.16 and 20,179.08

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Solution

The fourth proportional to 27,177.48, 40,805.16 and 20,179.08 is: 30,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.48 : 40,805.16 = 20,179.08 : x
  2. Step 2: Convert to fraction form
    27,177.48/40,805.16 = 20,179.08/x
  3. Step 3: Cross multiply
    27,177.48x = 40,805.16 × 20,179.08
  4. Step 4: Simplify right side
    27,177.48x = 823,410,588.05
  5. Step 5: Solve for x
    x = 823,410,588.05/27,177.48
  6. Step 6: Final answer
    x = 30,297.53

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1.5x scale

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.