Home / 37,087.50-51,183.39-21,172.38

Finding the Fourth Proportional to 37,087.50, 51,183.39 and 21,172.38

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Solution

The fourth proportional to 37,087.50, 51,183.39 and 21,172.38 is: 29,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,087.50 : 51,183.39 = 21,172.38 : x
  2. Step 2: Convert to fraction form
    37,087.50/51,183.39 = 21,172.38/x
  3. Step 3: Cross multiply
    37,087.50x = 51,183.39 × 21,172.38
  4. Step 4: Simplify right side
    37,087.50x = 1,083,674,182.77
  5. Step 5: Solve for x
    x = 1,083,674,182.77/37,087.50
  6. Step 6: Final answer
    x = 29,219.39

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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.