Home / 30,311.43-45,446.49-15,508.28

Finding the Fourth Proportional to 30,311.43, 45,446.49 and 15,508.28

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Solution

The fourth proportional to 30,311.43, 45,446.49 and 15,508.28 is: 23,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.43 : 45,446.49 = 15,508.28 : x
  2. Step 2: Convert to fraction form
    30,311.43/45,446.49 = 15,508.28/x
  3. Step 3: Cross multiply
    30,311.43x = 45,446.49 × 15,508.28
  4. Step 4: Simplify right side
    30,311.43x = 704,796,664.70
  5. Step 5: Solve for x
    x = 704,796,664.70/30,311.43
  6. Step 6: Final answer
    x = 23,251.84

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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.