Home / 69,825.28-104,722.14-19,904.31

Finding the Fourth Proportional to 69,825.28, 104,722.14 and 19,904.31

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Solution

The fourth proportional to 69,825.28, 104,722.14 and 19,904.31 is: 29,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,825.28 : 104,722.14 = 19,904.31 : x
  2. Step 2: Convert to fraction form
    69,825.28/104,722.14 = 19,904.31/x
  3. Step 3: Cross multiply
    69,825.28x = 104,722.14 × 19,904.31
  4. Step 4: Simplify right side
    69,825.28x = 2,084,421,938.42
  5. Step 5: Solve for x
    x = 2,084,421,938.42/69,825.28
  6. Step 6: Final answer
    x = 29,851.97

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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.