Home / 37,685.21-51,990.79-22,578.51

Finding the Fourth Proportional to 37,685.21, 51,990.79 and 22,578.51

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Solution

The fourth proportional to 37,685.21, 51,990.79 and 22,578.51 is: 31,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.21 : 51,990.79 = 22,578.51 : x
  2. Step 2: Convert to fraction form
    37,685.21/51,990.79 = 22,578.51/x
  3. Step 3: Cross multiply
    37,685.21x = 51,990.79 × 22,578.51
  4. Step 4: Simplify right side
    37,685.21x = 1,173,874,199.08
  5. Step 5: Solve for x
    x = 1,173,874,199.08/37,685.21
  6. Step 6: Final answer
    x = 31,149.47

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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.