Home / 55,649.44-76,795.68-30,155.22

Finding the Fourth Proportional to 55,649.44, 76,795.68 and 30,155.22

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Solution

The fourth proportional to 55,649.44, 76,795.68 and 30,155.22 is: 41,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.44 : 76,795.68 = 30,155.22 : x
  2. Step 2: Convert to fraction form
    55,649.44/76,795.68 = 30,155.22/x
  3. Step 3: Cross multiply
    55,649.44x = 76,795.68 × 30,155.22
  4. Step 4: Simplify right side
    55,649.44x = 2,315,790,625.45
  5. Step 5: Solve for x
    x = 2,315,790,625.45/55,649.44
  6. Step 6: Final answer
    x = 41,613.91

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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.