Home / 45,463.37-68,193.43-13,872.15

Finding the Fourth Proportional to 45,463.37, 68,193.43 and 13,872.15

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Solution

The fourth proportional to 45,463.37, 68,193.43 and 13,872.15 is: 20,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,463.37 : 68,193.43 = 13,872.15 : x
  2. Step 2: Convert to fraction form
    45,463.37/68,193.43 = 13,872.15/x
  3. Step 3: Cross multiply
    45,463.37x = 68,193.43 × 13,872.15
  4. Step 4: Simplify right side
    45,463.37x = 945,989,489.97
  5. Step 5: Solve for x
    x = 945,989,489.97/45,463.37
  6. Step 6: Final answer
    x = 20,807.73

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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.