Home / 36,107.80-49,830.11-20,192.21

Finding the Fourth Proportional to 36,107.80, 49,830.11 and 20,192.21

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Solution

The fourth proportional to 36,107.80, 49,830.11 and 20,192.21 is: 27,866.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107.80 : 49,830.11 = 20,192.21 : x
  2. Step 2: Convert to fraction form
    36,107.80/49,830.11 = 20,192.21/x
  3. Step 3: Cross multiply
    36,107.80x = 49,830.11 × 20,192.21
  4. Step 4: Simplify right side
    36,107.80x = 1,006,180,045.44
  5. Step 5: Solve for x
    x = 1,006,180,045.44/36,107.80
  6. Step 6: Final answer
    x = 27,866.00

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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.