Home / 36,001.65-49,682.30-20,086.10

Finding the Fourth Proportional to 36,001.65, 49,682.30 and 20,086.10

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Solution

The fourth proportional to 36,001.65, 49,682.30 and 20,086.10 is: 27,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,001.65 : 49,682.30 = 20,086.10 : x
  2. Step 2: Convert to fraction form
    36,001.65/49,682.30 = 20,086.10/x
  3. Step 3: Cross multiply
    36,001.65x = 49,682.30 × 20,086.10
  4. Step 4: Simplify right side
    36,001.65x = 997,923,297.19
  5. Step 5: Solve for x
    x = 997,923,297.19/36,001.65
  6. Step 6: Final answer
    x = 27,718.82

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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.