Home / 45,490.58-68,226.47-12,202.75

Finding the Fourth Proportional to 45,490.58, 68,226.47 and 12,202.75

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Solution

The fourth proportional to 45,490.58, 68,226.47 and 12,202.75 is: 18,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490.58 : 68,226.47 = 12,202.75 : x
  2. Step 2: Convert to fraction form
    45,490.58/68,226.47 = 12,202.75/x
  3. Step 3: Cross multiply
    45,490.58x = 68,226.47 × 12,202.75
  4. Step 4: Simplify right side
    45,490.58x = 832,550,626.82
  5. Step 5: Solve for x
    x = 832,550,626.82/45,490.58
  6. Step 6: Final answer
    x = 18,301.61

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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.