Home / 30,951.20-46,445.24-11,231.29

Finding the Fourth Proportional to 30,951.20, 46,445.24 and 11,231.29

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Solution

The fourth proportional to 30,951.20, 46,445.24 and 11,231.29 is: 16,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,951.20 : 46,445.24 = 11,231.29 : x
  2. Step 2: Convert to fraction form
    30,951.20/46,445.24 = 11,231.29/x
  3. Step 3: Cross multiply
    30,951.20x = 46,445.24 × 11,231.29
  4. Step 4: Simplify right side
    30,951.20x = 521,639,959.56
  5. Step 5: Solve for x
    x = 521,639,959.56/30,951.20
  6. Step 6: Final answer
    x = 16,853.63

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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.