Home / 36,019.05-49,706.31-20,103.49

Finding the Fourth Proportional to 36,019.05, 49,706.31 and 20,103.49

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Solution

The fourth proportional to 36,019.05, 49,706.31 and 20,103.49 is: 27,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.05 : 49,706.31 = 20,103.49 : x
  2. Step 2: Convert to fraction form
    36,019.05/49,706.31 = 20,103.49/x
  3. Step 3: Cross multiply
    36,019.05x = 49,706.31 × 20,103.49
  4. Step 4: Simplify right side
    36,019.05x = 999,270,306.02
  5. Step 5: Solve for x
    x = 999,270,306.02/36,019.05
  6. Step 6: Final answer
    x = 27,742.83

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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.