Home / 31,129.26-46,700.73-11,408.01

Finding the Fourth Proportional to 31,129.26, 46,700.73 and 11,408.01

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Solution

The fourth proportional to 31,129.26, 46,700.73 and 11,408.01 is: 17,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129.26 : 46,700.73 = 11,408.01 : x
  2. Step 2: Convert to fraction form
    31,129.26/46,700.73 = 11,408.01/x
  3. Step 3: Cross multiply
    31,129.26x = 46,700.73 × 11,408.01
  4. Step 4: Simplify right side
    31,129.26x = 532,762,394.85
  5. Step 5: Solve for x
    x = 532,762,394.85/31,129.26
  6. Step 6: Final answer
    x = 17,114.52

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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.