Home / 49,900.60-74,785.90-20,283.84

Finding the Fourth Proportional to 49,900.60, 74,785.90 and 20,283.84

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Solution

The fourth proportional to 49,900.60, 74,785.90 and 20,283.84 is: 30,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,900.60 : 74,785.90 = 20,283.84 : x
  2. Step 2: Convert to fraction form
    49,900.60/74,785.90 = 20,283.84/x
  3. Step 3: Cross multiply
    49,900.60x = 74,785.90 × 20,283.84
  4. Step 4: Simplify right side
    49,900.60x = 1,516,945,229.86
  5. Step 5: Solve for x
    x = 1,516,945,229.86/49,900.60
  6. Step 6: Final answer
    x = 30,399.34

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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.