Home / 37,351.29-51,543.45-20,997.99

Finding the Fourth Proportional to 37,351.29, 51,543.45 and 20,997.99

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Solution

The fourth proportional to 37,351.29, 51,543.45 and 20,997.99 is: 28,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,351.29 : 51,543.45 = 20,997.99 : x
  2. Step 2: Convert to fraction form
    37,351.29/51,543.45 = 20,997.99/x
  3. Step 3: Cross multiply
    37,351.29x = 51,543.45 × 20,997.99
  4. Step 4: Simplify right side
    37,351.29x = 1,082,308,847.67
  5. Step 5: Solve for x
    x = 1,082,308,847.67/37,351.29
  6. Step 6: Final answer
    x = 28,976.48

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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.