Home / 55,562.18-76,670.97-31,361.81

Finding the Fourth Proportional to 55,562.18, 76,670.97 and 31,361.81

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Solution

The fourth proportional to 55,562.18, 76,670.97 and 31,361.81 is: 43,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,562.18 : 76,670.97 = 31,361.81 : x
  2. Step 2: Convert to fraction form
    55,562.18/76,670.97 = 31,361.81/x
  3. Step 3: Cross multiply
    55,562.18x = 76,670.97 × 31,361.81
  4. Step 4: Simplify right side
    55,562.18x = 2,404,540,393.66
  5. Step 5: Solve for x
    x = 2,404,540,393.66/55,562.18
  6. Step 6: Final answer
    x = 43,276.57

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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.