Home / 50,012.40-69,023.64-28,792.56

Finding the Fourth Proportional to 50,012.40, 69,023.64 and 28,792.56

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Solution

The fourth proportional to 50,012.40, 69,023.64 and 28,792.56 is: 39,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,012.40 : 69,023.64 = 28,792.56 : x
  2. Step 2: Convert to fraction form
    50,012.40/69,023.64 = 28,792.56/x
  3. Step 3: Cross multiply
    50,012.40x = 69,023.64 × 28,792.56
  4. Step 4: Simplify right side
    50,012.40x = 1,987,367,296.12
  5. Step 5: Solve for x
    x = 1,987,367,296.12/50,012.40
  6. Step 6: Final answer
    x = 39,737.49

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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.