Home / 31,441.28-47,151.89-10,377.41

Finding the Fourth Proportional to 31,441.28, 47,151.89 and 10,377.41

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Solution

The fourth proportional to 31,441.28, 47,151.89 and 10,377.41 is: 15,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.28 : 47,151.89 = 10,377.41 : x
  2. Step 2: Convert to fraction form
    31,441.28/47,151.89 = 10,377.41/x
  3. Step 3: Cross multiply
    31,441.28x = 47,151.89 × 10,377.41
  4. Step 4: Simplify right side
    31,441.28x = 489,314,246.07
  5. Step 5: Solve for x
    x = 489,314,246.07/31,441.28
  6. Step 6: Final answer
    x = 15,562.80

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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.