Home / 50,456.38-69,631.96-28,100.38

Finding the Fourth Proportional to 50,456.38, 69,631.96 and 28,100.38

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Solution

The fourth proportional to 50,456.38, 69,631.96 and 28,100.38 is: 38,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,456.38 : 69,631.96 = 28,100.38 : x
  2. Step 2: Convert to fraction form
    50,456.38/69,631.96 = 28,100.38/x
  3. Step 3: Cross multiply
    50,456.38x = 69,631.96 × 28,100.38
  4. Step 4: Simplify right side
    50,456.38x = 1,956,684,187.99
  5. Step 5: Solve for x
    x = 1,956,684,187.99/50,456.38
  6. Step 6: Final answer
    x = 38,779.72

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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.