Home / 37,118.31-51,221.05-22,012.39

Finding the Fourth Proportional to 37,118.31, 51,221.05 and 22,012.39

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Solution

The fourth proportional to 37,118.31, 51,221.05 and 22,012.39 is: 30,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,118.31 : 51,221.05 = 22,012.39 : x
  2. Step 2: Convert to fraction form
    37,118.31/51,221.05 = 22,012.39/x
  3. Step 3: Cross multiply
    37,118.31x = 51,221.05 × 22,012.39
  4. Step 4: Simplify right side
    37,118.31x = 1,127,497,728.81
  5. Step 5: Solve for x
    x = 1,127,497,728.81/37,118.31
  6. Step 6: Final answer
    x = 30,375.78

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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.