Home / 52,020.42-78,042.24-20,433.54

Finding the Fourth Proportional to 52,020.42, 78,042.24 and 20,433.54

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Solution

The fourth proportional to 52,020.42, 78,042.24 and 20,433.54 is: 30,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.42 : 78,042.24 = 20,433.54 : x
  2. Step 2: Convert to fraction form
    52,020.42/78,042.24 = 20,433.54/x
  3. Step 3: Cross multiply
    52,020.42x = 78,042.24 × 20,433.54
  4. Step 4: Simplify right side
    52,020.42x = 1,594,679,232.73
  5. Step 5: Solve for x
    x = 1,594,679,232.73/52,020.42
  6. Step 6: Final answer
    x = 30,654.87

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1.5x scale

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.