Home / 37,674.56-51,991.20-20,907.84

Finding the Fourth Proportional to 37,674.56, 51,991.20 and 20,907.84

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Solution

The fourth proportional to 37,674.56, 51,991.20 and 20,907.84 is: 28,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,674.56 : 51,991.20 = 20,907.84 : x
  2. Step 2: Convert to fraction form
    37,674.56/51,991.20 = 20,907.84/x
  3. Step 3: Cross multiply
    37,674.56x = 51,991.20 × 20,907.84
  4. Step 4: Simplify right side
    37,674.56x = 1,087,023,691.01
  5. Step 5: Solve for x
    x = 1,087,023,691.01/37,674.56
  6. Step 6: Final answer
    x = 28,852.99

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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.