Home / 38,799.96-58,170.43-20,068.05

Finding the Fourth Proportional to 38,799.96, 58,170.43 and 20,068.05

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Solution

The fourth proportional to 38,799.96, 58,170.43 and 20,068.05 is: 30,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,799.96 : 58,170.43 = 20,068.05 : x
  2. Step 2: Convert to fraction form
    38,799.96/58,170.43 = 20,068.05/x
  3. Step 3: Cross multiply
    38,799.96x = 58,170.43 × 20,068.05
  4. Step 4: Simplify right side
    38,799.96x = 1,167,367,097.76
  5. Step 5: Solve for x
    x = 1,167,367,097.76/38,799.96
  6. Step 6: Final answer
    x = 30,086.81

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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.