Home / 69,419.50-104,116.68-19,487.32

Finding the Fourth Proportional to 69,419.50, 104,116.68 and 19,487.32

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Solution

The fourth proportional to 69,419.50, 104,116.68 and 19,487.32 is: 29,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,419.50 : 104,116.68 = 19,487.32 : x
  2. Step 2: Convert to fraction form
    69,419.50/104,116.68 = 19,487.32/x
  3. Step 3: Cross multiply
    69,419.50x = 104,116.68 × 19,487.32
  4. Step 4: Simplify right side
    69,419.50x = 2,028,955,060.50
  5. Step 5: Solve for x
    x = 2,028,955,060.50/69,419.50
  6. Step 6: Final answer
    x = 29,227.45

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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.