Home / 37,112.07-51,209.09-21,193.15

Finding the Fourth Proportional to 37,112.07, 51,209.09 and 21,193.15

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Solution

The fourth proportional to 37,112.07, 51,209.09 and 21,193.15 is: 29,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.07 : 51,209.09 = 21,193.15 : x
  2. Step 2: Convert to fraction form
    37,112.07/51,209.09 = 21,193.15/x
  3. Step 3: Cross multiply
    37,112.07x = 51,209.09 × 21,193.15
  4. Step 4: Simplify right side
    37,112.07x = 1,085,281,819.77
  5. Step 5: Solve for x
    x = 1,085,281,819.77/37,112.07
  6. Step 6: Final answer
    x = 29,243.37

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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.