Home / 36,119.62-49,849.21-20,208.10

Finding the Fourth Proportional to 36,119.62, 49,849.21 and 20,208.10

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Solution

The fourth proportional to 36,119.62, 49,849.21 and 20,208.10 is: 27,889.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,119.62 : 49,849.21 = 20,208.10 : x
  2. Step 2: Convert to fraction form
    36,119.62/49,849.21 = 20,208.10/x
  3. Step 3: Cross multiply
    36,119.62x = 49,849.21 × 20,208.10
  4. Step 4: Simplify right side
    36,119.62x = 1,007,357,820.60
  5. Step 5: Solve for x
    x = 1,007,357,820.60/36,119.62
  6. Step 6: Final answer
    x = 27,889.49

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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.