Home / 55,761.32-76,955.22-31,892.60

Finding the Fourth Proportional to 55,761.32, 76,955.22 and 31,892.60

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Solution

The fourth proportional to 55,761.32, 76,955.22 and 31,892.60 is: 44,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,761.32 : 76,955.22 = 31,892.60 : x
  2. Step 2: Convert to fraction form
    55,761.32/76,955.22 = 31,892.60/x
  3. Step 3: Cross multiply
    55,761.32x = 76,955.22 × 31,892.60
  4. Step 4: Simplify right side
    55,761.32x = 2,454,302,241.76
  5. Step 5: Solve for x
    x = 2,454,302,241.76/55,761.32
  6. Step 6: Final answer
    x = 44,014.42

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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.