Home / 55,625.78-76,763.66-30,132.20

Finding the Fourth Proportional to 55,625.78, 76,763.66 and 30,132.20

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Solution

The fourth proportional to 55,625.78, 76,763.66 and 30,132.20 is: 41,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.78 : 76,763.66 = 30,132.20 : x
  2. Step 2: Convert to fraction form
    55,625.78/76,763.66 = 30,132.20/x
  3. Step 3: Cross multiply
    55,625.78x = 76,763.66 × 30,132.20
  4. Step 4: Simplify right side
    55,625.78x = 2,313,057,421.37
  5. Step 5: Solve for x
    x = 2,313,057,421.37/55,625.78
  6. Step 6: Final answer
    x = 41,582.48

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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.