Home / 30,191.85-41,664.45-17,447.70

Finding the Fourth Proportional to 30,191.85, 41,664.45 and 17,447.70

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Solution

The fourth proportional to 30,191.85, 41,664.45 and 17,447.70 is: 24,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.85 : 41,664.45 = 17,447.70 : x
  2. Step 2: Convert to fraction form
    30,191.85/41,664.45 = 17,447.70/x
  3. Step 3: Cross multiply
    30,191.85x = 41,664.45 × 17,447.70
  4. Step 4: Simplify right side
    30,191.85x = 726,948,824.27
  5. Step 5: Solve for x
    x = 726,948,824.27/30,191.85
  6. Step 6: Final answer
    x = 24,077.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.