Home / 38,982.76-58,493.34-18,207.72

Finding the Fourth Proportional to 38,982.76, 58,493.34 and 18,207.72

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Solution

The fourth proportional to 38,982.76, 58,493.34 and 18,207.72 is: 27,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.76 : 58,493.34 = 18,207.72 : x
  2. Step 2: Convert to fraction form
    38,982.76/58,493.34 = 18,207.72/x
  3. Step 3: Cross multiply
    38,982.76x = 58,493.34 × 18,207.72
  4. Step 4: Simplify right side
    38,982.76x = 1,065,030,356.58
  5. Step 5: Solve for x
    x = 1,065,030,356.58/38,982.76
  6. Step 6: Final answer
    x = 27,320.55

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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.