Home / 36,107.72-49,826.40-20,193.32

Finding the Fourth Proportional to 36,107.72, 49,826.40 and 20,193.32

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Solution

The fourth proportional to 36,107.72, 49,826.40 and 20,193.32 is: 27,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107.72 : 49,826.40 = 20,193.32 : x
  2. Step 2: Convert to fraction form
    36,107.72/49,826.40 = 20,193.32/x
  3. Step 3: Cross multiply
    36,107.72x = 49,826.40 × 20,193.32
  4. Step 4: Simplify right side
    36,107.72x = 1,006,160,439.65
  5. Step 5: Solve for x
    x = 1,006,160,439.65/36,107.72
  6. Step 6: Final answer
    x = 27,865.52

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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.