Home / 55,180.68-76,144.07-30,976.10

Finding the Fourth Proportional to 55,180.68, 76,144.07 and 30,976.10

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Solution

The fourth proportional to 55,180.68, 76,144.07 and 30,976.10 is: 42,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,180.68 : 76,144.07 = 30,976.10 : x
  2. Step 2: Convert to fraction form
    55,180.68/76,144.07 = 30,976.10/x
  3. Step 3: Cross multiply
    55,180.68x = 76,144.07 × 30,976.10
  4. Step 4: Simplify right side
    55,180.68x = 2,358,646,326.73
  5. Step 5: Solve for x
    x = 2,358,646,326.73/55,180.68
  6. Step 6: Final answer
    x = 42,744.06

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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.