Home / 49,436.25-68,222.03-28,215.06

Finding the Fourth Proportional to 49,436.25, 68,222.03 and 28,215.06

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Solution

The fourth proportional to 49,436.25, 68,222.03 and 28,215.06 is: 38,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,436.25 : 68,222.03 = 28,215.06 : x
  2. Step 2: Convert to fraction form
    49,436.25/68,222.03 = 28,215.06/x
  3. Step 3: Cross multiply
    49,436.25x = 68,222.03 × 28,215.06
  4. Step 4: Simplify right side
    49,436.25x = 1,924,888,528.70
  5. Step 5: Solve for x
    x = 1,924,888,528.70/49,436.25
  6. Step 6: Final answer
    x = 38,936.78

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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.