Home / 37,790.22-52,155.75-21,879.66

Finding the Fourth Proportional to 37,790.22, 52,155.75 and 21,879.66

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Solution

The fourth proportional to 37,790.22, 52,155.75 and 21,879.66 is: 30,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,790.22 : 52,155.75 = 21,879.66 : x
  2. Step 2: Convert to fraction form
    37,790.22/52,155.75 = 21,879.66/x
  3. Step 3: Cross multiply
    37,790.22x = 52,155.75 × 21,879.66
  4. Step 4: Simplify right side
    37,790.22x = 1,141,150,077.05
  5. Step 5: Solve for x
    x = 1,141,150,077.05/37,790.22
  6. Step 6: Final answer
    x = 30,196.97

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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.