Home / 31,849.53-47,781.45-10,788.36

Finding the Fourth Proportional to 31,849.53, 47,781.45 and 10,788.36

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Solution

The fourth proportional to 31,849.53, 47,781.45 and 10,788.36 is: 16,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.53 : 47,781.45 = 10,788.36 : x
  2. Step 2: Convert to fraction form
    31,849.53/47,781.45 = 10,788.36/x
  3. Step 3: Cross multiply
    31,849.53x = 47,781.45 × 10,788.36
  4. Step 4: Simplify right side
    31,849.53x = 515,483,483.92
  5. Step 5: Solve for x
    x = 515,483,483.92/31,849.53
  6. Step 6: Final answer
    x = 16,184.96

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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.