Home / 37,212.38-51,356.33-20,448.62

Finding the Fourth Proportional to 37,212.38, 51,356.33 and 20,448.62

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Solution

The fourth proportional to 37,212.38, 51,356.33 and 20,448.62 is: 28,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212.38 : 51,356.33 = 20,448.62 : x
  2. Step 2: Convert to fraction form
    37,212.38/51,356.33 = 20,448.62/x
  3. Step 3: Cross multiply
    37,212.38x = 51,356.33 × 20,448.62
  4. Step 4: Simplify right side
    37,212.38x = 1,050,165,717.74
  5. Step 5: Solve for x
    x = 1,050,165,717.74/37,212.38
  6. Step 6: Final answer
    x = 28,220.87

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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.