Home / 31,748.76-47,623.14-13,025.61

Finding the Fourth Proportional to 31,748.76, 47,623.14 and 13,025.61

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Solution

The fourth proportional to 31,748.76, 47,623.14 and 13,025.61 is: 19,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,748.76 : 47,623.14 = 13,025.61 : x
  2. Step 2: Convert to fraction form
    31,748.76/47,623.14 = 13,025.61/x
  3. Step 3: Cross multiply
    31,748.76x = 47,623.14 × 13,025.61
  4. Step 4: Simplify right side
    31,748.76x = 620,320,448.62
  5. Step 5: Solve for x
    x = 620,320,448.62/31,748.76
  6. Step 6: Final answer
    x = 19,538.42

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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.