Home / 49,873.38-74,834.40-20,311.62

Finding the Fourth Proportional to 49,873.38, 74,834.40 and 20,311.62

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Solution

The fourth proportional to 49,873.38, 74,834.40 and 20,311.62 is: 30,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,873.38 : 74,834.40 = 20,311.62 : x
  2. Step 2: Convert to fraction form
    49,873.38/74,834.40 = 20,311.62/x
  3. Step 3: Cross multiply
    49,873.38x = 74,834.40 × 20,311.62
  4. Step 4: Simplify right side
    49,873.38x = 1,520,007,895.73
  5. Step 5: Solve for x
    x = 1,520,007,895.73/49,873.38
  6. Step 6: Final answer
    x = 30,477.34

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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.