Home / 55,625.78-76,763.64-30,132.42

Finding the Fourth Proportional to 55,625.78, 76,763.64 and 30,132.42

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Solution

The fourth proportional to 55,625.78, 76,763.64 and 30,132.42 is: 41,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.78 : 76,763.64 = 30,132.42 : x
  2. Step 2: Convert to fraction form
    55,625.78/76,763.64 = 30,132.42/x
  3. Step 3: Cross multiply
    55,625.78x = 76,763.64 × 30,132.42
  4. Step 4: Simplify right side
    55,625.78x = 2,313,074,241.21
  5. Step 5: Solve for x
    x = 2,313,074,241.21/55,625.78
  6. Step 6: Final answer
    x = 41,582.78

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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.