Home / 50,829.53-70,144.79-28,168.56

Finding the Fourth Proportional to 50,829.53, 70,144.79 and 28,168.56

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Solution

The fourth proportional to 50,829.53, 70,144.79 and 28,168.56 is: 38,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,829.53 : 70,144.79 = 28,168.56 : x
  2. Step 2: Convert to fraction form
    50,829.53/70,144.79 = 28,168.56/x
  3. Step 3: Cross multiply
    50,829.53x = 70,144.79 × 28,168.56
  4. Step 4: Simplify right side
    50,829.53x = 1,975,877,584.96
  5. Step 5: Solve for x
    x = 1,975,877,584.96/50,829.53
  6. Step 6: Final answer
    x = 38,872.64

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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.