Home / 38,131.80-57,185.40-35,644.08

Finding the Fourth Proportional to 38,131.80, 57,185.40 and 35,644.08

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Solution

The fourth proportional to 38,131.80, 57,185.40 and 35,644.08 is: 53,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.80 : 57,185.40 = 35,644.08 : x
  2. Step 2: Convert to fraction form
    38,131.80/57,185.40 = 35,644.08/x
  3. Step 3: Cross multiply
    38,131.80x = 57,185.40 × 35,644.08
  4. Step 4: Simplify right side
    38,131.80x = 2,038,320,972.43
  5. Step 5: Solve for x
    x = 2,038,320,972.43/38,131.80
  6. Step 6: Final answer
    x = 53,454.62

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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.