Home / 37,213.28-51,354.91-20,217.86

Finding the Fourth Proportional to 37,213.28, 51,354.91 and 20,217.86

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Solution

The fourth proportional to 37,213.28, 51,354.91 and 20,217.86 is: 27,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,213.28 : 51,354.91 = 20,217.86 : x
  2. Step 2: Convert to fraction form
    37,213.28/51,354.91 = 20,217.86/x
  3. Step 3: Cross multiply
    37,213.28x = 51,354.91 × 20,217.86
  4. Step 4: Simplify right side
    37,213.28x = 1,038,286,228.05
  5. Step 5: Solve for x
    x = 1,038,286,228.05/37,213.28
  6. Step 6: Final answer
    x = 27,900.96

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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.