Home / 36,069.38-49,772.19-20,153.48

Finding the Fourth Proportional to 36,069.38, 49,772.19 and 20,153.48

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Solution

The fourth proportional to 36,069.38, 49,772.19 and 20,153.48 is: 27,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069.38 : 49,772.19 = 20,153.48 : x
  2. Step 2: Convert to fraction form
    36,069.38/49,772.19 = 20,153.48/x
  3. Step 3: Cross multiply
    36,069.38x = 49,772.19 × 20,153.48
  4. Step 4: Simplify right side
    36,069.38x = 1,003,082,835.72
  5. Step 5: Solve for x
    x = 1,003,082,835.72/36,069.38
  6. Step 6: Final answer
    x = 27,809.82

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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.