Home / 37,377.72-51,578.91-21,450.96

Finding the Fourth Proportional to 37,377.72, 51,578.91 and 21,450.96

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Solution

The fourth proportional to 37,377.72, 51,578.91 and 21,450.96 is: 29,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,377.72 : 51,578.91 = 21,450.96 : x
  2. Step 2: Convert to fraction form
    37,377.72/51,578.91 = 21,450.96/x
  3. Step 3: Cross multiply
    37,377.72x = 51,578.91 × 21,450.96
  4. Step 4: Simplify right side
    37,377.72x = 1,106,417,135.25
  5. Step 5: Solve for x
    x = 1,106,417,135.25/37,377.72
  6. Step 6: Final answer
    x = 29,600.98

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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.