Home / 31,117.25-46,676.19-7,743.68

Finding the Fourth Proportional to 31,117.25, 46,676.19 and 7,743.68

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Solution

The fourth proportional to 31,117.25, 46,676.19 and 7,743.68 is: 11,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117.25 : 46,676.19 = 7,743.68 : x
  2. Step 2: Convert to fraction form
    31,117.25/46,676.19 = 7,743.68/x
  3. Step 3: Cross multiply
    31,117.25x = 46,676.19 × 7,743.68
  4. Step 4: Simplify right side
    31,117.25x = 361,445,595.67
  5. Step 5: Solve for x
    x = 361,445,595.67/31,117.25
  6. Step 6: Final answer
    x = 11,615.60

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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.