Home / 36,424.62-54,639.98-10,129.60

Finding the Fourth Proportional to 36,424.62, 54,639.98 and 10,129.60

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Solution

The fourth proportional to 36,424.62, 54,639.98 and 10,129.60 is: 15,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,424.62 : 54,639.98 = 10,129.60 : x
  2. Step 2: Convert to fraction form
    36,424.62/54,639.98 = 10,129.60/x
  3. Step 3: Cross multiply
    36,424.62x = 54,639.98 × 10,129.60
  4. Step 4: Simplify right side
    36,424.62x = 553,481,141.41
  5. Step 5: Solve for x
    x = 553,481,141.41/36,424.62
  6. Step 6: Final answer
    x = 15,195.25

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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.