Home / 38,566.15-57,902.76-19,859.55

Finding the Fourth Proportional to 38,566.15, 57,902.76 and 19,859.55

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Solution

The fourth proportional to 38,566.15, 57,902.76 and 19,859.55 is: 29,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566.15 : 57,902.76 = 19,859.55 : x
  2. Step 2: Convert to fraction form
    38,566.15/57,902.76 = 19,859.55/x
  3. Step 3: Cross multiply
    38,566.15x = 57,902.76 × 19,859.55
  4. Step 4: Simplify right side
    38,566.15x = 1,149,922,757.36
  5. Step 5: Solve for x
    x = 1,149,922,757.36/38,566.15
  6. Step 6: Final answer
    x = 29,816.89

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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.