Home / 36,005.58-49,682.76-20,086.96

Finding the Fourth Proportional to 36,005.58, 49,682.76 and 20,086.96

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Solution

The fourth proportional to 36,005.58, 49,682.76 and 20,086.96 is: 27,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.58 : 49,682.76 = 20,086.96 : x
  2. Step 2: Convert to fraction form
    36,005.58/49,682.76 = 20,086.96/x
  3. Step 3: Cross multiply
    36,005.58x = 49,682.76 × 20,086.96
  4. Step 4: Simplify right side
    36,005.58x = 997,975,612.81
  5. Step 5: Solve for x
    x = 997,975,612.81/36,005.58
  6. Step 6: Final answer
    x = 27,717.25

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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.