Home / 31,102.89-46,644.77-8,910.32

Finding the Fourth Proportional to 31,102.89, 46,644.77 and 8,910.32

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Solution

The fourth proportional to 31,102.89, 46,644.77 and 8,910.32 is: 13,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102.89 : 46,644.77 = 8,910.32 : x
  2. Step 2: Convert to fraction form
    31,102.89/46,644.77 = 8,910.32/x
  3. Step 3: Cross multiply
    31,102.89x = 46,644.77 × 8,910.32
  4. Step 4: Simplify right side
    31,102.89x = 415,619,549.25
  5. Step 5: Solve for x
    x = 415,619,549.25/31,102.89
  6. Step 6: Final answer
    x = 13,362.73

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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.