Home / 36,117.74-49,839.78-20,199.12

Finding the Fourth Proportional to 36,117.74, 49,839.78 and 20,199.12

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Solution

The fourth proportional to 36,117.74, 49,839.78 and 20,199.12 is: 27,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.74 : 49,839.78 = 20,199.12 : x
  2. Step 2: Convert to fraction form
    36,117.74/49,839.78 = 20,199.12/x
  3. Step 3: Cross multiply
    36,117.74x = 49,839.78 × 20,199.12
  4. Step 4: Simplify right side
    36,117.74x = 1,006,719,510.09
  5. Step 5: Solve for x
    x = 1,006,719,510.09/36,117.74
  6. Step 6: Final answer
    x = 27,873.27

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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.