Home / 38,802.85-58,287.20-27,780.37

Finding the Fourth Proportional to 38,802.85, 58,287.20 and 27,780.37

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Solution

The fourth proportional to 38,802.85, 58,287.20 and 27,780.37 is: 41,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,802.85 : 58,287.20 = 27,780.37 : x
  2. Step 2: Convert to fraction form
    38,802.85/58,287.20 = 27,780.37/x
  3. Step 3: Cross multiply
    38,802.85x = 58,287.20 × 27,780.37
  4. Step 4: Simplify right side
    38,802.85x = 1,619,239,697.64
  5. Step 5: Solve for x
    x = 1,619,239,697.64/38,802.85
  6. Step 6: Final answer
    x = 41,729.92

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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.