Home / 37,046.18-51,124.05-21,939.68

Finding the Fourth Proportional to 37,046.18, 51,124.05 and 21,939.68

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Solution

The fourth proportional to 37,046.18, 51,124.05 and 21,939.68 is: 30,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,046.18 : 51,124.05 = 21,939.68 : x
  2. Step 2: Convert to fraction form
    37,046.18/51,124.05 = 21,939.68/x
  3. Step 3: Cross multiply
    37,046.18x = 51,124.05 × 21,939.68
  4. Step 4: Simplify right side
    37,046.18x = 1,121,645,297.30
  5. Step 5: Solve for x
    x = 1,121,645,297.30/37,046.18
  6. Step 6: Final answer
    x = 30,276.95

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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.