Home / 36,133.45-54,181.50-15,861.91

Finding the Fourth Proportional to 36,133.45, 54,181.50 and 15,861.91

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Solution

The fourth proportional to 36,133.45, 54,181.50 and 15,861.91 is: 23,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,133.45 : 54,181.50 = 15,861.91 : x
  2. Step 2: Convert to fraction form
    36,133.45/54,181.50 = 15,861.91/x
  3. Step 3: Cross multiply
    36,133.45x = 54,181.50 × 15,861.91
  4. Step 4: Simplify right side
    36,133.45x = 859,422,116.32
  5. Step 5: Solve for x
    x = 859,422,116.32/36,133.45
  6. Step 6: Final answer
    x = 23,784.67

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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.