Home / 69,834.99-104,758.65-19,914.01

Finding the Fourth Proportional to 69,834.99, 104,758.65 and 19,914.01

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Solution

The fourth proportional to 69,834.99, 104,758.65 and 19,914.01 is: 29,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,834.99 : 104,758.65 = 19,914.01 : x
  2. Step 2: Convert to fraction form
    69,834.99/104,758.65 = 19,914.01/x
  3. Step 3: Cross multiply
    69,834.99x = 104,758.65 × 19,914.01
  4. Step 4: Simplify right side
    69,834.99x = 2,086,164,803.69
  5. Step 5: Solve for x
    x = 2,086,164,803.69/69,834.99
  6. Step 6: Final answer
    x = 29,872.77

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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.