Home / 45,189.60-67,813.68-34,121.76

Finding the Fourth Proportional to 45,189.60, 67,813.68 and 34,121.76

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Solution

The fourth proportional to 45,189.60, 67,813.68 and 34,121.76 is: 51,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,189.60 : 67,813.68 = 34,121.76 : x
  2. Step 2: Convert to fraction form
    45,189.60/67,813.68 = 34,121.76/x
  3. Step 3: Cross multiply
    45,189.60x = 67,813.68 × 34,121.76
  4. Step 4: Simplify right side
    45,189.60x = 2,313,922,113.68
  5. Step 5: Solve for x
    x = 2,313,922,113.68/45,189.60
  6. Step 6: Final answer
    x = 51,204.75

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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.