Home / 37,121.67-55,668.93-13,423.53

Finding the Fourth Proportional to 37,121.67, 55,668.93 and 13,423.53

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Solution

The fourth proportional to 37,121.67, 55,668.93 and 13,423.53 is: 20,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.67 : 55,668.93 = 13,423.53 : x
  2. Step 2: Convert to fraction form
    37,121.67/55,668.93 = 13,423.53/x
  3. Step 3: Cross multiply
    37,121.67x = 55,668.93 × 13,423.53
  4. Step 4: Simplify right side
    37,121.67x = 747,273,736.75
  5. Step 5: Solve for x
    x = 747,273,736.75/37,121.67
  6. Step 6: Final answer
    x = 20,130.39

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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.