Home / 37,221.12-51,366.24-21,310.68

Finding the Fourth Proportional to 37,221.12, 51,366.24 and 21,310.68

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Solution

The fourth proportional to 37,221.12, 51,366.24 and 21,310.68 is: 29,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.12 : 51,366.24 = 21,310.68 : x
  2. Step 2: Convert to fraction form
    37,221.12/51,366.24 = 21,310.68/x
  3. Step 3: Cross multiply
    37,221.12x = 51,366.24 × 21,310.68
  4. Step 4: Simplify right side
    37,221.12x = 1,094,649,503.44
  5. Step 5: Solve for x
    x = 1,094,649,503.44/37,221.12
  6. Step 6: Final answer
    x = 29,409.36

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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.