Home / 37,217.09-51,356.60-21,297.89

Finding the Fourth Proportional to 37,217.09, 51,356.60 and 21,297.89

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Solution

The fourth proportional to 37,217.09, 51,356.60 and 21,297.89 is: 29,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,217.09 : 51,356.60 = 21,297.89 : x
  2. Step 2: Convert to fraction form
    37,217.09/51,356.60 = 21,297.89/x
  3. Step 3: Cross multiply
    37,217.09x = 51,356.60 × 21,297.89
  4. Step 4: Simplify right side
    37,217.09x = 1,093,787,217.57
  5. Step 5: Solve for x
    x = 1,093,787,217.57/37,217.09
  6. Step 6: Final answer
    x = 29,389.38

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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.