Home / 50,906.31-70,248.28-28,245.04

Finding the Fourth Proportional to 50,906.31, 70,248.28 and 28,245.04

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Solution

The fourth proportional to 50,906.31, 70,248.28 and 28,245.04 is: 38,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,906.31 : 70,248.28 = 28,245.04 : x
  2. Step 2: Convert to fraction form
    50,906.31/70,248.28 = 28,245.04/x
  3. Step 3: Cross multiply
    50,906.31x = 70,248.28 × 28,245.04
  4. Step 4: Simplify right side
    50,906.31x = 1,984,165,478.53
  5. Step 5: Solve for x
    x = 1,984,165,478.53/50,906.31
  6. Step 6: Final answer
    x = 38,976.81

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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.