Home / 69,972.93-104,939.89-19,359.77

Finding the Fourth Proportional to 69,972.93, 104,939.89 and 19,359.77

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Solution

The fourth proportional to 69,972.93, 104,939.89 and 19,359.77 is: 29,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.93 : 104,939.89 = 19,359.77 : x
  2. Step 2: Convert to fraction form
    69,972.93/104,939.89 = 19,359.77/x
  3. Step 3: Cross multiply
    69,972.93x = 104,939.89 × 19,359.77
  4. Step 4: Simplify right side
    69,972.93x = 2,031,611,561.13
  5. Step 5: Solve for x
    x = 2,031,611,561.13/69,972.93
  6. Step 6: Final answer
    x = 29,034.25

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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.