Home / 31,537.41-47,315.25-9,351.21

Finding the Fourth Proportional to 31,537.41, 47,315.25 and 9,351.21

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Solution

The fourth proportional to 31,537.41, 47,315.25 and 9,351.21 is: 14,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.41 : 47,315.25 = 9,351.21 : x
  2. Step 2: Convert to fraction form
    31,537.41/47,315.25 = 9,351.21/x
  3. Step 3: Cross multiply
    31,537.41x = 47,315.25 × 9,351.21
  4. Step 4: Simplify right side
    31,537.41x = 442,454,838.95
  5. Step 5: Solve for x
    x = 442,454,838.95/31,537.41
  6. Step 6: Final answer
    x = 14,029.52

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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.