Home / 68,436.50-94,433.04-38,217.96

Finding the Fourth Proportional to 68,436.50, 94,433.04 and 38,217.96

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Solution

The fourth proportional to 68,436.50, 94,433.04 and 38,217.96 is: 52,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,436.50 : 94,433.04 = 38,217.96 : x
  2. Step 2: Convert to fraction form
    68,436.50/94,433.04 = 38,217.96/x
  3. Step 3: Cross multiply
    68,436.50x = 94,433.04 × 38,217.96
  4. Step 4: Simplify right side
    68,436.50x = 3,609,038,145.40
  5. Step 5: Solve for x
    x = 3,609,038,145.40/68,436.50
  6. Step 6: Final answer
    x = 52,735.58

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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.