Home / 31,433.66-47,151.96-10,375.53

Finding the Fourth Proportional to 31,433.66, 47,151.96 and 10,375.53

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Solution

The fourth proportional to 31,433.66, 47,151.96 and 10,375.53 is: 15,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.66 : 47,151.96 = 10,375.53 : x
  2. Step 2: Convert to fraction form
    31,433.66/47,151.96 = 10,375.53/x
  3. Step 3: Cross multiply
    31,433.66x = 47,151.96 × 10,375.53
  4. Step 4: Simplify right side
    31,433.66x = 489,226,523.66
  5. Step 5: Solve for x
    x = 489,226,523.66/31,433.66
  6. Step 6: Final answer
    x = 15,563.78

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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.