Home / 61,936.68-85,485.06-36,781.32

Finding the Fourth Proportional to 61,936.68, 85,485.06 and 36,781.32

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Solution

The fourth proportional to 61,936.68, 85,485.06 and 36,781.32 is: 50,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,936.68 : 85,485.06 = 36,781.32 : x
  2. Step 2: Convert to fraction form
    61,936.68/85,485.06 = 36,781.32/x
  3. Step 3: Cross multiply
    61,936.68x = 85,485.06 × 36,781.32
  4. Step 4: Simplify right side
    61,936.68x = 3,144,253,347.08
  5. Step 5: Solve for x
    x = 3,144,253,347.08/61,936.68
  6. Step 6: Final answer
    x = 50,765.61

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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.