Home / 37,662.81-51,974.54-20,667.34

Finding the Fourth Proportional to 37,662.81, 51,974.54 and 20,667.34

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Solution

The fourth proportional to 37,662.81, 51,974.54 and 20,667.34 is: 28,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,662.81 : 51,974.54 = 20,667.34 : x
  2. Step 2: Convert to fraction form
    37,662.81/51,974.54 = 20,667.34/x
  3. Step 3: Cross multiply
    37,662.81x = 51,974.54 × 20,667.34
  4. Step 4: Simplify right side
    37,662.81x = 1,074,175,347.05
  5. Step 5: Solve for x
    x = 1,074,175,347.05/37,662.81
  6. Step 6: Final answer
    x = 28,520.85

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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.