Home / 55,756.45-76,908.90-33,079.39

Finding the Fourth Proportional to 55,756.45, 76,908.90 and 33,079.39

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Solution

The fourth proportional to 55,756.45, 76,908.90 and 33,079.39 is: 45,628.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,756.45 : 76,908.90 = 33,079.39 : x
  2. Step 2: Convert to fraction form
    55,756.45/76,908.90 = 33,079.39/x
  3. Step 3: Cross multiply
    55,756.45x = 76,908.90 × 33,079.39
  4. Step 4: Simplify right side
    55,756.45x = 2,544,099,113.03
  5. Step 5: Solve for x
    x = 2,544,099,113.03/55,756.45
  6. Step 6: Final answer
    x = 45,628.79

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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.