Home / 50,539.50-69,743.07-27,878.58

Finding the Fourth Proportional to 50,539.50, 69,743.07 and 27,878.58

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Solution

The fourth proportional to 50,539.50, 69,743.07 and 27,878.58 is: 38,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,539.50 : 69,743.07 = 27,878.58 : x
  2. Step 2: Convert to fraction form
    50,539.50/69,743.07 = 27,878.58/x
  3. Step 3: Cross multiply
    50,539.50x = 69,743.07 × 27,878.58
  4. Step 4: Simplify right side
    50,539.50x = 1,944,337,756.44
  5. Step 5: Solve for x
    x = 1,944,337,756.44/50,539.50
  6. Step 6: Final answer
    x = 38,471.65

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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.