Home / 69,414.66-104,043.27-31,897.21

Finding the Fourth Proportional to 69,414.66, 104,043.27 and 31,897.21

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Solution

The fourth proportional to 69,414.66, 104,043.27 and 31,897.21 is: 47,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,414.66 : 104,043.27 = 31,897.21 : x
  2. Step 2: Convert to fraction form
    69,414.66/104,043.27 = 31,897.21/x
  3. Step 3: Cross multiply
    69,414.66x = 104,043.27 × 31,897.21
  4. Step 4: Simplify right side
    69,414.66x = 3,318,689,683.71
  5. Step 5: Solve for x
    x = 3,318,689,683.71/69,414.66
  6. Step 6: Final answer
    x = 47,809.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.