Home / 36,111.28-49,833.52-20,195.72

Finding the Fourth Proportional to 36,111.28, 49,833.52 and 20,195.72

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Solution

The fourth proportional to 36,111.28, 49,833.52 and 20,195.72 is: 27,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.28 : 49,833.52 = 20,195.72 : x
  2. Step 2: Convert to fraction form
    36,111.28/49,833.52 = 20,195.72/x
  3. Step 3: Cross multiply
    36,111.28x = 49,833.52 × 20,195.72
  4. Step 4: Simplify right side
    36,111.28x = 1,006,423,816.53
  5. Step 5: Solve for x
    x = 1,006,423,816.53/36,111.28
  6. Step 6: Final answer
    x = 27,870.07

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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.