Home / 36,028.89-49,719.78-20,113.38

Finding the Fourth Proportional to 36,028.89, 49,719.78 and 20,113.38

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Solution

The fourth proportional to 36,028.89, 49,719.78 and 20,113.38 is: 27,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,028.89 : 49,719.78 = 20,113.38 : x
  2. Step 2: Convert to fraction form
    36,028.89/49,719.78 = 20,113.38/x
  3. Step 3: Cross multiply
    36,028.89x = 49,719.78 × 20,113.38
  4. Step 4: Simplify right side
    36,028.89x = 1,000,032,828.66
  5. Step 5: Solve for x
    x = 1,000,032,828.66/36,028.89
  6. Step 6: Final answer
    x = 27,756.42

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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.