Home / 37,449.27-51,680.09-20,453.65

Finding the Fourth Proportional to 37,449.27, 51,680.09 and 20,453.65

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Solution

The fourth proportional to 37,449.27, 51,680.09 and 20,453.65 is: 28,226.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,449.27 : 51,680.09 = 20,453.65 : x
  2. Step 2: Convert to fraction form
    37,449.27/51,680.09 = 20,453.65/x
  3. Step 3: Cross multiply
    37,449.27x = 51,680.09 × 20,453.65
  4. Step 4: Simplify right side
    37,449.27x = 1,057,046,472.83
  5. Step 5: Solve for x
    x = 1,057,046,472.83/37,449.27
  6. Step 6: Final answer
    x = 28,226.09

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Half scale
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Double scale
Find fourth proportional to 37,450.27, 51,681.47 and 20,454.65
Similar ratio
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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.