Home / 45,286.70-67,930.92-15,705.50

Finding the Fourth Proportional to 45,286.70, 67,930.92 and 15,705.50

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Solution

The fourth proportional to 45,286.70, 67,930.92 and 15,705.50 is: 23,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,286.70 : 67,930.92 = 15,705.50 : x
  2. Step 2: Convert to fraction form
    45,286.70/67,930.92 = 15,705.50/x
  3. Step 3: Cross multiply
    45,286.70x = 67,930.92 × 15,705.50
  4. Step 4: Simplify right side
    45,286.70x = 1,066,888,724.41
  5. Step 5: Solve for x
    x = 1,066,888,724.41/45,286.70
  6. Step 6: Final answer
    x = 23,558.55

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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.