Home / 45,363.20-68,044.32-14,198.72

Finding the Fourth Proportional to 45,363.20, 68,044.32 and 14,198.72

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Solution

The fourth proportional to 45,363.20, 68,044.32 and 14,198.72 is: 21,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,363.20 : 68,044.32 = 14,198.72 : x
  2. Step 2: Convert to fraction form
    45,363.20/68,044.32 = 14,198.72/x
  3. Step 3: Cross multiply
    45,363.20x = 68,044.32 × 14,198.72
  4. Step 4: Simplify right side
    45,363.20x = 966,142,247.27
  5. Step 5: Solve for x
    x = 966,142,247.27/45,363.20
  6. Step 6: Final answer
    x = 21,297.93

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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.