Home / 55,682.87-76,841.51-30,188.79

Finding the Fourth Proportional to 55,682.87, 76,841.51 and 30,188.79

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Solution

The fourth proportional to 55,682.87, 76,841.51 and 30,188.79 is: 41,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,682.87 : 76,841.51 = 30,188.79 : x
  2. Step 2: Convert to fraction form
    55,682.87/76,841.51 = 30,188.79/x
  3. Step 3: Cross multiply
    55,682.87x = 76,841.51 × 30,188.79
  4. Step 4: Simplify right side
    55,682.87x = 2,319,752,057.73
  5. Step 5: Solve for x
    x = 2,319,752,057.73/55,682.87
  6. Step 6: Final answer
    x = 41,660.07

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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.