Home / 55,612.74-76,745.18-30,118.52

Finding the Fourth Proportional to 55,612.74, 76,745.18 and 30,118.52

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Solution

The fourth proportional to 55,612.74, 76,745.18 and 30,118.52 is: 41,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.74 : 76,745.18 = 30,118.52 : x
  2. Step 2: Convert to fraction form
    55,612.74/76,745.18 = 30,118.52/x
  3. Step 3: Cross multiply
    55,612.74x = 76,745.18 × 30,118.52
  4. Step 4: Simplify right side
    55,612.74x = 2,311,451,238.73
  5. Step 5: Solve for x
    x = 2,311,451,238.73/55,612.74
  6. Step 6: Final answer
    x = 41,563.34

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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.