Home / 31,750.20-47,641.50-13,044.60

Finding the Fourth Proportional to 31,750.20, 47,641.50 and 13,044.60

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Solution

The fourth proportional to 31,750.20, 47,641.50 and 13,044.60 is: 19,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750.20 : 47,641.50 = 13,044.60 : x
  2. Step 2: Convert to fraction form
    31,750.20/47,641.50 = 13,044.60/x
  3. Step 3: Cross multiply
    31,750.20x = 47,641.50 × 13,044.60
  4. Step 4: Simplify right side
    31,750.20x = 621,464,310.90
  5. Step 5: Solve for x
    x = 621,464,310.90/31,750.20
  6. Step 6: Final answer
    x = 19,573.56

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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.