Home / 49,917.40-74,838.64-30,191.92

Finding the Fourth Proportional to 49,917.40, 74,838.64 and 30,191.92

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Solution

The fourth proportional to 49,917.40, 74,838.64 and 30,191.92 is: 45,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,917.40 : 74,838.64 = 30,191.92 : x
  2. Step 2: Convert to fraction form
    49,917.40/74,838.64 = 30,191.92/x
  3. Step 3: Cross multiply
    49,917.40x = 74,838.64 × 30,191.92
  4. Step 4: Simplify right side
    49,917.40x = 2,259,522,231.79
  5. Step 5: Solve for x
    x = 2,259,522,231.79/49,917.40
  6. Step 6: Final answer
    x = 45,265.22

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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.