Home / 37,213.86-51,354.90-20,217.96

Finding the Fourth Proportional to 37,213.86, 51,354.90 and 20,217.96

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Solution

The fourth proportional to 37,213.86, 51,354.90 and 20,217.96 is: 27,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,213.86 : 51,354.90 = 20,217.96 : x
  2. Step 2: Convert to fraction form
    37,213.86/51,354.90 = 20,217.96/x
  3. Step 3: Cross multiply
    37,213.86x = 51,354.90 × 20,217.96
  4. Step 4: Simplify right side
    37,213.86x = 1,038,291,314.00
  5. Step 5: Solve for x
    x = 1,038,291,314.00/37,213.86
  6. Step 6: Final answer
    x = 27,900.66

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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.