Home / 52,671.87-72,685.79-31,162.73

Finding the Fourth Proportional to 52,671.87, 72,685.79 and 31,162.73

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Solution

The fourth proportional to 52,671.87, 72,685.79 and 31,162.73 is: 43,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,671.87 : 72,685.79 = 31,162.73 : x
  2. Step 2: Convert to fraction form
    52,671.87/72,685.79 = 31,162.73/x
  3. Step 3: Cross multiply
    52,671.87x = 72,685.79 × 31,162.73
  4. Step 4: Simplify right side
    52,671.87x = 2,265,087,129.36
  5. Step 5: Solve for x
    x = 2,265,087,129.36/52,671.87
  6. Step 6: Final answer
    x = 43,003.73

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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.