Home / 36,001.79-49,682.49-20,086.25

Finding the Fourth Proportional to 36,001.79, 49,682.49 and 20,086.25

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Solution

The fourth proportional to 36,001.79, 49,682.49 and 20,086.25 is: 27,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,001.79 : 49,682.49 = 20,086.25 : x
  2. Step 2: Convert to fraction form
    36,001.79/49,682.49 = 20,086.25/x
  3. Step 3: Cross multiply
    36,001.79x = 49,682.49 × 20,086.25
  4. Step 4: Simplify right side
    36,001.79x = 997,934,666.35
  5. Step 5: Solve for x
    x = 997,934,666.35/36,001.79
  6. Step 6: Final answer
    x = 27,719.03

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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.