Home / 50,456.20-75,630.30-17,145.40

Finding the Fourth Proportional to 50,456.20, 75,630.30 and 17,145.40

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Solution

The fourth proportional to 50,456.20, 75,630.30 and 17,145.40 is: 25,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,456.20 : 75,630.30 = 17,145.40 : x
  2. Step 2: Convert to fraction form
    50,456.20/75,630.30 = 17,145.40/x
  3. Step 3: Cross multiply
    50,456.20x = 75,630.30 × 17,145.40
  4. Step 4: Simplify right side
    50,456.20x = 1,296,711,745.62
  5. Step 5: Solve for x
    x = 1,296,711,745.62/50,456.20
  6. Step 6: Final answer
    x = 25,699.75

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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.