Home / 49,917.95-74,812.29-20,301.38

Finding the Fourth Proportional to 49,917.95, 74,812.29 and 20,301.38

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Solution

The fourth proportional to 49,917.95, 74,812.29 and 20,301.38 is: 30,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,917.95 : 74,812.29 = 20,301.38 : x
  2. Step 2: Convert to fraction form
    49,917.95/74,812.29 = 20,301.38/x
  3. Step 3: Cross multiply
    49,917.95x = 74,812.29 × 20,301.38
  4. Step 4: Simplify right side
    49,917.95x = 1,518,792,727.96
  5. Step 5: Solve for x
    x = 1,518,792,727.96/49,917.95
  6. Step 6: Final answer
    x = 30,425.78

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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.