Home / 50,324.40-69,446.20-28,813.42

Finding the Fourth Proportional to 50,324.40, 69,446.20 and 28,813.42

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Solution

The fourth proportional to 50,324.40, 69,446.20 and 28,813.42 is: 39,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,324.40 : 69,446.20 = 28,813.42 : x
  2. Step 2: Convert to fraction form
    50,324.40/69,446.20 = 28,813.42/x
  3. Step 3: Cross multiply
    50,324.40x = 69,446.20 × 28,813.42
  4. Step 4: Simplify right side
    50,324.40x = 2,000,982,528.00
  5. Step 5: Solve for x
    x = 2,000,982,528.00/50,324.40
  6. Step 6: Final answer
    x = 39,761.68

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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.