Home / 36,239.79-50,013.45-20,112.38

Finding the Fourth Proportional to 36,239.79, 50,013.45 and 20,112.38

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Solution

The fourth proportional to 36,239.79, 50,013.45 and 20,112.38 is: 27,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,239.79 : 50,013.45 = 20,112.38 : x
  2. Step 2: Convert to fraction form
    36,239.79/50,013.45 = 20,112.38/x
  3. Step 3: Cross multiply
    36,239.79x = 50,013.45 × 20,112.38
  4. Step 4: Simplify right side
    36,239.79x = 1,005,889,261.44
  5. Step 5: Solve for x
    x = 1,005,889,261.44/36,239.79
  6. Step 6: Final answer
    x = 27,756.49

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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.