Home / 50,919.16-70,266.54-28,561.72

Finding the Fourth Proportional to 50,919.16, 70,266.54 and 28,561.72

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Solution

The fourth proportional to 50,919.16, 70,266.54 and 28,561.72 is: 39,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,919.16 : 70,266.54 = 28,561.72 : x
  2. Step 2: Convert to fraction form
    50,919.16/70,266.54 = 28,561.72/x
  3. Step 3: Cross multiply
    50,919.16x = 70,266.54 × 28,561.72
  4. Step 4: Simplify right side
    50,919.16x = 2,006,933,240.85
  5. Step 5: Solve for x
    x = 2,006,933,240.85/50,919.16
  6. Step 6: Final answer
    x = 39,414.11

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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.