Home / 49,433.75-68,218.59-28,212.56

Finding the Fourth Proportional to 49,433.75, 68,218.59 and 28,212.56

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Solution

The fourth proportional to 49,433.75, 68,218.59 and 28,212.56 is: 38,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,433.75 : 68,218.59 = 28,212.56 : x
  2. Step 2: Convert to fraction form
    49,433.75/68,218.59 = 28,212.56/x
  3. Step 3: Cross multiply
    49,433.75x = 68,218.59 × 28,212.56
  4. Step 4: Simplify right side
    49,433.75x = 1,924,621,063.49
  5. Step 5: Solve for x
    x = 1,924,621,063.49/49,433.75
  6. Step 6: Final answer
    x = 38,933.34

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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.