Home / 36,491.74-54,704.66-13,112.71

Finding the Fourth Proportional to 36,491.74, 54,704.66 and 13,112.71

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Solution

The fourth proportional to 36,491.74, 54,704.66 and 13,112.71 is: 19,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,491.74 : 54,704.66 = 13,112.71 : x
  2. Step 2: Convert to fraction form
    36,491.74/54,704.66 = 13,112.71/x
  3. Step 3: Cross multiply
    36,491.74x = 54,704.66 × 13,112.71
  4. Step 4: Simplify right side
    36,491.74x = 717,326,342.23
  5. Step 5: Solve for x
    x = 717,326,342.23/36,491.74
  6. Step 6: Final answer
    x = 19,657.22

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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.