Home / 38,174.99-57,277.06-21,553.79

Finding the Fourth Proportional to 38,174.99, 57,277.06 and 21,553.79

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Solution

The fourth proportional to 38,174.99, 57,277.06 and 21,553.79 is: 32,338.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.99 : 57,277.06 = 21,553.79 : x
  2. Step 2: Convert to fraction form
    38,174.99/57,277.06 = 21,553.79/x
  3. Step 3: Cross multiply
    38,174.99x = 57,277.06 × 21,553.79
  4. Step 4: Simplify right side
    38,174.99x = 1,234,537,382.79
  5. Step 5: Solve for x
    x = 1,234,537,382.79/38,174.99
  6. Step 6: Final answer
    x = 32,338.91

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1.5x scale

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.