Home / 36,008.55-49,686.89-20,090.97

Finding the Fourth Proportional to 36,008.55, 49,686.89 and 20,090.97

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Solution

The fourth proportional to 36,008.55, 49,686.89 and 20,090.97 is: 27,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.55 : 49,686.89 = 20,090.97 : x
  2. Step 2: Convert to fraction form
    36,008.55/49,686.89 = 20,090.97/x
  3. Step 3: Cross multiply
    36,008.55x = 49,686.89 × 20,090.97
  4. Step 4: Simplify right side
    36,008.55x = 998,257,715.93
  5. Step 5: Solve for x
    x = 998,257,715.93/36,008.55
  6. Step 6: Final answer
    x = 27,722.80

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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.