Home / 36,005.92-49,687.98-20,090.34

Finding the Fourth Proportional to 36,005.92, 49,687.98 and 20,090.34

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Solution

The fourth proportional to 36,005.92, 49,687.98 and 20,090.34 is: 27,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.92 : 49,687.98 = 20,090.34 : x
  2. Step 2: Convert to fraction form
    36,005.92/49,687.98 = 20,090.34/x
  3. Step 3: Cross multiply
    36,005.92x = 49,687.98 × 20,090.34
  4. Step 4: Simplify right side
    36,005.92x = 998,248,412.11
  5. Step 5: Solve for x
    x = 998,248,412.11/36,005.92
  6. Step 6: Final answer
    x = 27,724.56

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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.