Home / 45,367.97-68,052.07-13,778.28

Finding the Fourth Proportional to 45,367.97, 68,052.07 and 13,778.28

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Solution

The fourth proportional to 45,367.97, 68,052.07 and 13,778.28 is: 20,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,367.97 : 68,052.07 = 13,778.28 : x
  2. Step 2: Convert to fraction form
    45,367.97/68,052.07 = 13,778.28/x
  3. Step 3: Cross multiply
    45,367.97x = 68,052.07 × 13,778.28
  4. Step 4: Simplify right side
    45,367.97x = 937,640,134.78
  5. Step 5: Solve for x
    x = 937,640,134.78/45,367.97
  6. Step 6: Final answer
    x = 20,667.45

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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.