Home / 69,904.26-104,849.10-19,981.13

Finding the Fourth Proportional to 69,904.26, 104,849.10 and 19,981.13

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Solution

The fourth proportional to 69,904.26, 104,849.10 and 19,981.13 is: 29,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,904.26 : 104,849.10 = 19,981.13 : x
  2. Step 2: Convert to fraction form
    69,904.26/104,849.10 = 19,981.13/x
  3. Step 3: Cross multiply
    69,904.26x = 104,849.10 × 19,981.13
  4. Step 4: Simplify right side
    69,904.26x = 2,095,002,973.24
  5. Step 5: Solve for x
    x = 2,095,002,973.24/69,904.26
  6. Step 6: Final answer
    x = 29,969.60

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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.