Home / 55,757.45-76,910.28-33,080.39

Finding the Fourth Proportional to 55,757.45, 76,910.28 and 33,080.39

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Solution

The fourth proportional to 55,757.45, 76,910.28 and 33,080.39 is: 45,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,757.45 : 76,910.28 = 33,080.39 : x
  2. Step 2: Convert to fraction form
    55,757.45/76,910.28 = 33,080.39/x
  3. Step 3: Cross multiply
    55,757.45x = 76,910.28 × 33,080.39
  4. Step 4: Simplify right side
    55,757.45x = 2,544,221,672.86
  5. Step 5: Solve for x
    x = 2,544,221,672.86/55,757.45
  6. Step 6: Final answer
    x = 45,630.17

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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.