Home / 38,179.65-57,273.74-13,221.93

Finding the Fourth Proportional to 38,179.65, 57,273.74 and 13,221.93

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Solution

The fourth proportional to 38,179.65, 57,273.74 and 13,221.93 is: 19,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.65 : 57,273.74 = 13,221.93 : x
  2. Step 2: Convert to fraction form
    38,179.65/57,273.74 = 13,221.93/x
  3. Step 3: Cross multiply
    38,179.65x = 57,273.74 × 13,221.93
  4. Step 4: Simplify right side
    38,179.65x = 757,269,381.12
  5. Step 5: Solve for x
    x = 757,269,381.12/38,179.65
  6. Step 6: Final answer
    x = 19,834.37

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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.