Home / 50,116.80-75,168.72-18,948

Finding the Fourth Proportional to 50,116.80, 75,168.72 and 18,948

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Solution

The fourth proportional to 50,116.80, 75,168.72 and 18,948 is: 28,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,116.80 : 75,168.72 = 18,948 : x
  2. Step 2: Convert to fraction form
    50,116.80/75,168.72 = 18,948/x
  3. Step 3: Cross multiply
    50,116.80x = 75,168.72 × 18,948
  4. Step 4: Simplify right side
    50,116.80x = 1,424,296,906.56
  5. Step 5: Solve for x
    x = 1,424,296,906.56/50,116.80
  6. Step 6: Final answer
    x = 28,419.55

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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.