Home / 49,894.91-74,842.23-20,305.75

Finding the Fourth Proportional to 49,894.91, 74,842.23 and 20,305.75

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Solution

The fourth proportional to 49,894.91, 74,842.23 and 20,305.75 is: 30,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,894.91 : 74,842.23 = 20,305.75 : x
  2. Step 2: Convert to fraction form
    49,894.91/74,842.23 = 20,305.75/x
  3. Step 3: Cross multiply
    49,894.91x = 74,842.23 × 20,305.75
  4. Step 4: Simplify right side
    49,894.91x = 1,519,727,611.82
  5. Step 5: Solve for x
    x = 1,519,727,611.82/49,894.91
  6. Step 6: Final answer
    x = 30,458.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.