Home / 36,149.81-54,213.77-21,354.75

Finding the Fourth Proportional to 36,149.81, 54,213.77 and 21,354.75

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Solution

The fourth proportional to 36,149.81, 54,213.77 and 21,354.75 is: 32,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,149.81 : 54,213.77 = 21,354.75 : x
  2. Step 2: Convert to fraction form
    36,149.81/54,213.77 = 21,354.75/x
  3. Step 3: Cross multiply
    36,149.81x = 54,213.77 × 21,354.75
  4. Step 4: Simplify right side
    36,149.81x = 1,157,721,558.29
  5. Step 5: Solve for x
    x = 1,157,721,558.29/36,149.81
  6. Step 6: Final answer
    x = 32,025.67

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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.