Home / 115,636.48-173,466.24-31,398

Finding the Fourth Proportional to 115,636.48, 173,466.24 and 31,398

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Solution

The fourth proportional to 115,636.48, 173,466.24 and 31,398 is: 47,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,636.48 : 173,466.24 = 31,398 : x
  2. Step 2: Convert to fraction form
    115,636.48/173,466.24 = 31,398/x
  3. Step 3: Cross multiply
    115,636.48x = 173,466.24 × 31,398
  4. Step 4: Simplify right side
    115,636.48x = 5,446,493,003.52
  5. Step 5: Solve for x
    x = 5,446,493,003.52/115,636.48
  6. Step 6: Final answer
    x = 47,100.13

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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.