Home / 37,661.01-51,972.72-20,664.99

Finding the Fourth Proportional to 37,661.01, 51,972.72 and 20,664.99

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Solution

The fourth proportional to 37,661.01, 51,972.72 and 20,664.99 is: 28,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.01 : 51,972.72 = 20,664.99 : x
  2. Step 2: Convert to fraction form
    37,661.01/51,972.72 = 20,664.99/x
  3. Step 3: Cross multiply
    37,661.01x = 51,972.72 × 20,664.99
  4. Step 4: Simplify right side
    37,661.01x = 1,074,015,739.07
  5. Step 5: Solve for x
    x = 1,074,015,739.07/37,661.01
  6. Step 6: Final answer
    x = 28,517.97

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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.