Home / 36,744.48-55,116.72-11,787.12

Finding the Fourth Proportional to 36,744.48, 55,116.72 and 11,787.12

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Solution

The fourth proportional to 36,744.48, 55,116.72 and 11,787.12 is: 17,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,744.48 : 55,116.72 = 11,787.12 : x
  2. Step 2: Convert to fraction form
    36,744.48/55,116.72 = 11,787.12/x
  3. Step 3: Cross multiply
    36,744.48x = 55,116.72 × 11,787.12
  4. Step 4: Simplify right side
    36,744.48x = 649,667,392.65
  5. Step 5: Solve for x
    x = 649,667,392.65/36,744.48
  6. Step 6: Final answer
    x = 17,680.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.