Home / 37,115.84-51,218.80-21,199.96

Finding the Fourth Proportional to 37,115.84, 51,218.80 and 21,199.96

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Solution

The fourth proportional to 37,115.84, 51,218.80 and 21,199.96 is: 29,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,115.84 : 51,218.80 = 21,199.96 : x
  2. Step 2: Convert to fraction form
    37,115.84/51,218.80 = 21,199.96/x
  3. Step 3: Cross multiply
    37,115.84x = 51,218.80 × 21,199.96
  4. Step 4: Simplify right side
    37,115.84x = 1,085,836,511.25
  5. Step 5: Solve for x
    x = 1,085,836,511.25/37,115.84
  6. Step 6: Final answer
    x = 29,255.34

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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.