Home / 37,109.43-51,211.36-21,193.76

Finding the Fourth Proportional to 37,109.43, 51,211.36 and 21,193.76

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Solution

The fourth proportional to 37,109.43, 51,211.36 and 21,193.76 is: 29,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,109.43 : 51,211.36 = 21,193.76 : x
  2. Step 2: Convert to fraction form
    37,109.43/51,211.36 = 21,193.76/x
  3. Step 3: Cross multiply
    37,109.43x = 51,211.36 × 21,193.76
  4. Step 4: Simplify right side
    37,109.43x = 1,085,361,273.11
  5. Step 5: Solve for x
    x = 1,085,361,273.11/37,109.43
  6. Step 6: Final answer
    x = 29,247.59

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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.