Home / 36,001.80-49,684.92-20,086.08

Finding the Fourth Proportional to 36,001.80, 49,684.92 and 20,086.08

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Solution

The fourth proportional to 36,001.80, 49,684.92 and 20,086.08 is: 27,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,001.80 : 49,684.92 = 20,086.08 : x
  2. Step 2: Convert to fraction form
    36,001.80/49,684.92 = 20,086.08/x
  3. Step 3: Cross multiply
    36,001.80x = 49,684.92 × 20,086.08
  4. Step 4: Simplify right side
    36,001.80x = 997,975,277.91
  5. Step 5: Solve for x
    x = 997,975,277.91/36,001.80
  6. Step 6: Final answer
    x = 27,720.15

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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.