Home / 31,126.08-46,682.82-11,397.90

Finding the Fourth Proportional to 31,126.08, 46,682.82 and 11,397.90

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Solution

The fourth proportional to 31,126.08, 46,682.82 and 11,397.90 is: 17,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.08 : 46,682.82 = 11,397.90 : x
  2. Step 2: Convert to fraction form
    31,126.08/46,682.82 = 11,397.90/x
  3. Step 3: Cross multiply
    31,126.08x = 46,682.82 × 11,397.90
  4. Step 4: Simplify right side
    31,126.08x = 532,086,114.08
  5. Step 5: Solve for x
    x = 532,086,114.08/31,126.08
  6. Step 6: Final answer
    x = 17,094.54

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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.