Home / 55,243.77-76,236.92-31,370.94

Finding the Fourth Proportional to 55,243.77, 76,236.92 and 31,370.94

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Solution

The fourth proportional to 55,243.77, 76,236.92 and 31,370.94 is: 43,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,243.77 : 76,236.92 = 31,370.94 : x
  2. Step 2: Convert to fraction form
    55,243.77/76,236.92 = 31,370.94/x
  3. Step 3: Cross multiply
    55,243.77x = 76,236.92 × 31,370.94
  4. Step 4: Simplify right side
    55,243.77x = 2,391,623,686.25
  5. Step 5: Solve for x
    x = 2,391,623,686.25/55,243.77
  6. Step 6: Final answer
    x = 43,292.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.