Home / 37,678.62-51,997.13-20,684.46

Finding the Fourth Proportional to 37,678.62, 51,997.13 and 20,684.46

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Solution

The fourth proportional to 37,678.62, 51,997.13 and 20,684.46 is: 28,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,678.62 : 51,997.13 = 20,684.46 : x
  2. Step 2: Convert to fraction form
    37,678.62/51,997.13 = 20,684.46/x
  3. Step 3: Cross multiply
    37,678.62x = 51,997.13 × 20,684.46
  4. Step 4: Simplify right side
    37,678.62x = 1,075,532,555.60
  5. Step 5: Solve for x
    x = 1,075,532,555.60/37,678.62
  6. Step 6: Final answer
    x = 28,544.90

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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.