Home / 49,888.94-74,833.20-20,299.76

Finding the Fourth Proportional to 49,888.94, 74,833.20 and 20,299.76

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Solution

The fourth proportional to 49,888.94, 74,833.20 and 20,299.76 is: 30,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,888.94 : 74,833.20 = 20,299.76 : x
  2. Step 2: Convert to fraction form
    49,888.94/74,833.20 = 20,299.76/x
  3. Step 3: Cross multiply
    49,888.94x = 74,833.20 × 20,299.76
  4. Step 4: Simplify right side
    49,888.94x = 1,519,096,000.03
  5. Step 5: Solve for x
    x = 1,519,096,000.03/49,888.94
  6. Step 6: Final answer
    x = 30,449.55

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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.