Home / 37,100.30-51,216.15-21,181.68

Finding the Fourth Proportional to 37,100.30, 51,216.15 and 21,181.68

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Solution

The fourth proportional to 37,100.30, 51,216.15 and 21,181.68 is: 29,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,100.30 : 51,216.15 = 21,181.68 : x
  2. Step 2: Convert to fraction form
    37,100.30/51,216.15 = 21,181.68/x
  3. Step 3: Cross multiply
    37,100.30x = 51,216.15 × 21,181.68
  4. Step 4: Simplify right side
    37,100.30x = 1,084,843,738.14
  5. Step 5: Solve for x
    x = 1,084,843,738.14/37,100.30
  6. Step 6: Final answer
    x = 29,240.83

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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.