Home / 50,613.87-69,856.32-30,197.28

Finding the Fourth Proportional to 50,613.87, 69,856.32 and 30,197.28

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Solution

The fourth proportional to 50,613.87, 69,856.32 and 30,197.28 is: 41,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,613.87 : 69,856.32 = 30,197.28 : x
  2. Step 2: Convert to fraction form
    50,613.87/69,856.32 = 30,197.28/x
  3. Step 3: Cross multiply
    50,613.87x = 69,856.32 × 30,197.28
  4. Step 4: Simplify right side
    50,613.87x = 2,109,470,854.81
  5. Step 5: Solve for x
    x = 2,109,470,854.81/50,613.87
  6. Step 6: Final answer
    x = 41,677.72

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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.