Home / 50,141.12-69,192.08-28,919.12

Finding the Fourth Proportional to 50,141.12, 69,192.08 and 28,919.12

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Solution

The fourth proportional to 50,141.12, 69,192.08 and 28,919.12 is: 39,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,141.12 : 69,192.08 = 28,919.12 : x
  2. Step 2: Convert to fraction form
    50,141.12/69,192.08 = 28,919.12/x
  3. Step 3: Cross multiply
    50,141.12x = 69,192.08 × 28,919.12
  4. Step 4: Simplify right side
    50,141.12x = 2,000,974,064.57
  5. Step 5: Solve for x
    x = 2,000,974,064.57/50,141.12
  6. Step 6: Final answer
    x = 39,906.85

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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.