Home / 55,649.22-76,796.20-30,155.58

Finding the Fourth Proportional to 55,649.22, 76,796.20 and 30,155.58

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Solution

The fourth proportional to 55,649.22, 76,796.20 and 30,155.58 is: 41,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.22 : 76,796.20 = 30,155.58 : x
  2. Step 2: Convert to fraction form
    55,649.22/76,796.20 = 30,155.58/x
  3. Step 3: Cross multiply
    55,649.22x = 76,796.20 × 30,155.58
  4. Step 4: Simplify right side
    55,649.22x = 2,315,833,820.87
  5. Step 5: Solve for x
    x = 2,315,833,820.87/55,649.22
  6. Step 6: Final answer
    x = 41,614.85

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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.