Home / 31,795.74-47,691.59-12,073.86

Finding the Fourth Proportional to 31,795.74, 47,691.59 and 12,073.86

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Solution

The fourth proportional to 31,795.74, 47,691.59 and 12,073.86 is: 18,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,795.74 : 47,691.59 = 12,073.86 : x
  2. Step 2: Convert to fraction form
    31,795.74/47,691.59 = 12,073.86/x
  3. Step 3: Cross multiply
    31,795.74x = 47,691.59 × 12,073.86
  4. Step 4: Simplify right side
    31,795.74x = 575,821,520.47
  5. Step 5: Solve for x
    x = 575,821,520.47/31,795.74
  6. Step 6: Final answer
    x = 18,110.02

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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.