Home / 31,441.38-47,151.13-11,709.17

Finding the Fourth Proportional to 31,441.38, 47,151.13 and 11,709.17

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Solution

The fourth proportional to 31,441.38, 47,151.13 and 11,709.17 is: 17,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.38 : 47,151.13 = 11,709.17 : x
  2. Step 2: Convert to fraction form
    31,441.38/47,151.13 = 11,709.17/x
  3. Step 3: Cross multiply
    31,441.38x = 47,151.13 × 11,709.17
  4. Step 4: Simplify right side
    31,441.38x = 552,100,596.86
  5. Step 5: Solve for x
    x = 552,100,596.86/31,441.38
  6. Step 6: Final answer
    x = 17,559.68

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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.