Home / 36,145.27-49,880.12-20,229.85

Finding the Fourth Proportional to 36,145.27, 49,880.12 and 20,229.85

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Solution

The fourth proportional to 36,145.27, 49,880.12 and 20,229.85 is: 27,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.27 : 49,880.12 = 20,229.85 : x
  2. Step 2: Convert to fraction form
    36,145.27/49,880.12 = 20,229.85/x
  3. Step 3: Cross multiply
    36,145.27x = 49,880.12 × 20,229.85
  4. Step 4: Simplify right side
    36,145.27x = 1,009,067,096.18
  5. Step 5: Solve for x
    x = 1,009,067,096.18/36,145.27
  6. Step 6: Final answer
    x = 27,916.99

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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.