Home / 61,558.11-84,896.87-40,039.88

Finding the Fourth Proportional to 61,558.11, 84,896.87 and 40,039.88

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Solution

The fourth proportional to 61,558.11, 84,896.87 and 40,039.88 is: 55,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,558.11 : 84,896.87 = 40,039.88 : x
  2. Step 2: Convert to fraction form
    61,558.11/84,896.87 = 40,039.88/x
  3. Step 3: Cross multiply
    61,558.11x = 84,896.87 × 40,039.88
  4. Step 4: Simplify right side
    61,558.11x = 3,399,259,862.49
  5. Step 5: Solve for x
    x = 3,399,259,862.49/61,558.11
  6. Step 6: Final answer
    x = 55,220.34

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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.