Home / 45,406.90-68,121.24-14,242.14

Finding the Fourth Proportional to 45,406.90, 68,121.24 and 14,242.14

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Solution

The fourth proportional to 45,406.90, 68,121.24 and 14,242.14 is: 21,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,406.90 : 68,121.24 = 14,242.14 : x
  2. Step 2: Convert to fraction form
    45,406.90/68,121.24 = 14,242.14/x
  3. Step 3: Cross multiply
    45,406.90x = 68,121.24 × 14,242.14
  4. Step 4: Simplify right side
    45,406.90x = 970,192,237.05
  5. Step 5: Solve for x
    x = 970,192,237.05/45,406.90
  6. Step 6: Final answer
    x = 21,366.63

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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.