Home / 50,520.60-69,718.77-27,860.40

Finding the Fourth Proportional to 50,520.60, 69,718.77 and 27,860.40

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Solution

The fourth proportional to 50,520.60, 69,718.77 and 27,860.40 is: 38,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,520.60 : 69,718.77 = 27,860.40 : x
  2. Step 2: Convert to fraction form
    50,520.60/69,718.77 = 27,860.40/x
  3. Step 3: Cross multiply
    50,520.60x = 69,718.77 × 27,860.40
  4. Step 4: Simplify right side
    50,520.60x = 1,942,392,819.71
  5. Step 5: Solve for x
    x = 1,942,392,819.71/50,520.60
  6. Step 6: Final answer
    x = 38,447.54

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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.