Home / 45,351.70-68,027.07-14,187.22

Finding the Fourth Proportional to 45,351.70, 68,027.07 and 14,187.22

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Solution

The fourth proportional to 45,351.70, 68,027.07 and 14,187.22 is: 21,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.70 : 68,027.07 = 14,187.22 : x
  2. Step 2: Convert to fraction form
    45,351.70/68,027.07 = 14,187.22/x
  3. Step 3: Cross multiply
    45,351.70x = 68,027.07 × 14,187.22
  4. Step 4: Simplify right side
    45,351.70x = 965,115,008.05
  5. Step 5: Solve for x
    x = 965,115,008.05/45,351.70
  6. Step 6: Final answer
    x = 21,280.68

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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.