Home / 39,753.24-54,859.62-21,850.08

Finding the Fourth Proportional to 39,753.24, 54,859.62 and 21,850.08

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Solution

The fourth proportional to 39,753.24, 54,859.62 and 21,850.08 is: 30,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,753.24 : 54,859.62 = 21,850.08 : x
  2. Step 2: Convert to fraction form
    39,753.24/54,859.62 = 21,850.08/x
  3. Step 3: Cross multiply
    39,753.24x = 54,859.62 × 21,850.08
  4. Step 4: Simplify right side
    39,753.24x = 1,198,687,085.77
  5. Step 5: Solve for x
    x = 1,198,687,085.77/39,753.24
  6. Step 6: Final answer
    x = 30,153.19

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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.