Home / 36,188.25-54,311.54-18,663.09

Finding the Fourth Proportional to 36,188.25, 54,311.54 and 18,663.09

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Solution

The fourth proportional to 36,188.25, 54,311.54 and 18,663.09 is: 28,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,188.25 : 54,311.54 = 18,663.09 : x
  2. Step 2: Convert to fraction form
    36,188.25/54,311.54 = 18,663.09/x
  3. Step 3: Cross multiply
    36,188.25x = 54,311.54 × 18,663.09
  4. Step 4: Simplify right side
    36,188.25x = 1,013,621,065.74
  5. Step 5: Solve for x
    x = 1,013,621,065.74/36,188.25
  6. Step 6: Final answer
    x = 28,009.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.