Home / 36,035.78-49,734.36-20,121.26

Finding the Fourth Proportional to 36,035.78, 49,734.36 and 20,121.26

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Solution

The fourth proportional to 36,035.78, 49,734.36 and 20,121.26 is: 27,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,035.78 : 49,734.36 = 20,121.26 : x
  2. Step 2: Convert to fraction form
    36,035.78/49,734.36 = 20,121.26/x
  3. Step 3: Cross multiply
    36,035.78x = 49,734.36 × 20,121.26
  4. Step 4: Simplify right side
    36,035.78x = 1,000,717,988.49
  5. Step 5: Solve for x
    x = 1,000,717,988.49/36,035.78
  6. Step 6: Final answer
    x = 27,770.12

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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.