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Finding the Fourth Proportional to 50,405, 75,585.66 and 15,336.52

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Solution

The fourth proportional to 50,405, 75,585.66 and 15,336.52 is: 22,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,405 : 75,585.66 = 15,336.52 : x
  2. Step 2: Convert to fraction form
    50,405/75,585.66 = 15,336.52/x
  3. Step 3: Cross multiply
    50,405x = 75,585.66 × 15,336.52
  4. Step 4: Simplify right side
    50,405x = 1,159,220,986.30
  5. Step 5: Solve for x
    x = 1,159,220,986.30/50,405
  6. Step 6: Final answer
    x = 22,998.13

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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.