Home / 37,674.48-51,988.44-20,907.12

Finding the Fourth Proportional to 37,674.48, 51,988.44 and 20,907.12

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Solution

The fourth proportional to 37,674.48, 51,988.44 and 20,907.12 is: 28,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,674.48 : 51,988.44 = 20,907.12 : x
  2. Step 2: Convert to fraction form
    37,674.48/51,988.44 = 20,907.12/x
  3. Step 3: Cross multiply
    37,674.48x = 51,988.44 × 20,907.12
  4. Step 4: Simplify right side
    37,674.48x = 1,086,928,553.69
  5. Step 5: Solve for x
    x = 1,086,928,553.69/37,674.48
  6. Step 6: Final answer
    x = 28,850.53

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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.