Home / 69,634.34-104,438.20-19,702.40

Finding the Fourth Proportional to 69,634.34, 104,438.20 and 19,702.40

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Solution

The fourth proportional to 69,634.34, 104,438.20 and 19,702.40 is: 29,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,634.34 : 104,438.20 = 19,702.40 : x
  2. Step 2: Convert to fraction form
    69,634.34/104,438.20 = 19,702.40/x
  3. Step 3: Cross multiply
    69,634.34x = 104,438.20 × 19,702.40
  4. Step 4: Simplify right side
    69,634.34x = 2,057,683,191.68
  5. Step 5: Solve for x
    x = 2,057,683,191.68/69,634.34
  6. Step 6: Final answer
    x = 29,549.83

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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.