Home / 62,989.14-86,921.79-34,689.36

Finding the Fourth Proportional to 62,989.14, 86,921.79 and 34,689.36

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Solution

The fourth proportional to 62,989.14, 86,921.79 and 34,689.36 is: 47,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,989.14 : 86,921.79 = 34,689.36 : x
  2. Step 2: Convert to fraction form
    62,989.14/86,921.79 = 34,689.36/x
  3. Step 3: Cross multiply
    62,989.14x = 86,921.79 × 34,689.36
  4. Step 4: Simplify right side
    62,989.14x = 3,015,261,265.15
  5. Step 5: Solve for x
    x = 3,015,261,265.15/62,989.14
  6. Step 6: Final answer
    x = 47,869.54

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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.