Home / 37,208.97-51,349.19-20,443.05

Finding the Fourth Proportional to 37,208.97, 51,349.19 and 20,443.05

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Solution

The fourth proportional to 37,208.97, 51,349.19 and 20,443.05 is: 28,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,208.97 : 51,349.19 = 20,443.05 : x
  2. Step 2: Convert to fraction form
    37,208.97/51,349.19 = 20,443.05/x
  3. Step 3: Cross multiply
    37,208.97x = 51,349.19 × 20,443.05
  4. Step 4: Simplify right side
    37,208.97x = 1,049,733,956.41
  5. Step 5: Solve for x
    x = 1,049,733,956.41/37,208.97
  6. Step 6: Final answer
    x = 28,211.85

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Double scale
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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.