Home / 36,112.03-49,839.30-20,199.78

Finding the Fourth Proportional to 36,112.03, 49,839.30 and 20,199.78

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Solution

The fourth proportional to 36,112.03, 49,839.30 and 20,199.78 is: 27,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,112.03 : 49,839.30 = 20,199.78 : x
  2. Step 2: Convert to fraction form
    36,112.03/49,839.30 = 20,199.78/x
  3. Step 3: Cross multiply
    36,112.03x = 49,839.30 × 20,199.78
  4. Step 4: Simplify right side
    36,112.03x = 1,006,742,895.35
  5. Step 5: Solve for x
    x = 1,006,742,895.35/36,112.03
  6. Step 6: Final answer
    x = 27,878.33

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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.