Home / 68,438.50-94,435.79-38,219.97

Finding the Fourth Proportional to 68,438.50, 94,435.79 and 38,219.97

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Solution

The fourth proportional to 68,438.50, 94,435.79 and 38,219.97 is: 52,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,438.50 : 94,435.79 = 38,219.97 : x
  2. Step 2: Convert to fraction form
    68,438.50/94,435.79 = 38,219.97/x
  3. Step 3: Cross multiply
    68,438.50x = 94,435.79 × 38,219.97
  4. Step 4: Simplify right side
    68,438.50x = 3,609,332,397.45
  5. Step 5: Solve for x
    x = 3,609,332,397.45/68,438.50
  6. Step 6: Final answer
    x = 52,738.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.