Home / 45,228.92-67,757.75-30,190.70

Finding the Fourth Proportional to 45,228.92, 67,757.75 and 30,190.70

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Solution

The fourth proportional to 45,228.92, 67,757.75 and 30,190.70 is: 45,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,228.92 : 67,757.75 = 30,190.70 : x
  2. Step 2: Convert to fraction form
    45,228.92/67,757.75 = 30,190.70/x
  3. Step 3: Cross multiply
    45,228.92x = 67,757.75 × 30,190.70
  4. Step 4: Simplify right side
    45,228.92x = 2,045,653,629.62
  5. Step 5: Solve for x
    x = 2,045,653,629.62/45,228.92
  6. Step 6: Final answer
    x = 45,228.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.