Home / 31,325.19-46,986.87-11,603.31

Finding the Fourth Proportional to 31,325.19, 46,986.87 and 11,603.31

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Solution

The fourth proportional to 31,325.19, 46,986.87 and 11,603.31 is: 17,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.19 : 46,986.87 = 11,603.31 : x
  2. Step 2: Convert to fraction form
    31,325.19/46,986.87 = 11,603.31/x
  3. Step 3: Cross multiply
    31,325.19x = 46,986.87 × 11,603.31
  4. Step 4: Simplify right side
    31,325.19x = 545,203,218.54
  5. Step 5: Solve for x
    x = 545,203,218.54/31,325.19
  6. Step 6: Final answer
    x = 17,404.63

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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.