Home / 50,405.94-75,613.10-15,345.90

Finding the Fourth Proportional to 50,405.94, 75,613.10 and 15,345.90

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Solution

The fourth proportional to 50,405.94, 75,613.10 and 15,345.90 is: 23,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,405.94 : 75,613.10 = 15,345.90 : x
  2. Step 2: Convert to fraction form
    50,405.94/75,613.10 = 15,345.90/x
  3. Step 3: Cross multiply
    50,405.94x = 75,613.10 × 15,345.90
  4. Step 4: Simplify right side
    50,405.94x = 1,160,350,994.56
  5. Step 5: Solve for x
    x = 1,160,350,994.56/50,405.94
  6. Step 6: Final answer
    x = 23,020.12

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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.