Home / 49,912.81-74,825.47-18,769.93

Finding the Fourth Proportional to 49,912.81, 74,825.47 and 18,769.93

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Solution

The fourth proportional to 49,912.81, 74,825.47 and 18,769.93 is: 28,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912.81 : 74,825.47 = 18,769.93 : x
  2. Step 2: Convert to fraction form
    49,912.81/74,825.47 = 18,769.93/x
  3. Step 3: Cross multiply
    49,912.81x = 74,825.47 × 18,769.93
  4. Step 4: Simplify right side
    49,912.81x = 1,404,468,670.52
  5. Step 5: Solve for x
    x = 1,404,468,670.52/49,912.81
  6. Step 6: Final answer
    x = 28,138.44

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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.