Home / 36,678.13-50,616.89-19,912.21

Finding the Fourth Proportional to 36,678.13, 50,616.89 and 19,912.21

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Solution

The fourth proportional to 36,678.13, 50,616.89 and 19,912.21 is: 27,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.13 : 50,616.89 = 19,912.21 : x
  2. Step 2: Convert to fraction form
    36,678.13/50,616.89 = 19,912.21/x
  3. Step 3: Cross multiply
    36,678.13x = 50,616.89 × 19,912.21
  4. Step 4: Simplify right side
    36,678.13x = 1,007,894,143.23
  5. Step 5: Solve for x
    x = 1,007,894,143.23/36,678.13
  6. Step 6: Final answer
    x = 27,479.43

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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.