Home / 38,785.93-58,164.52-13,819.35

Finding the Fourth Proportional to 38,785.93, 58,164.52 and 13,819.35

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Solution

The fourth proportional to 38,785.93, 58,164.52 and 13,819.35 is: 20,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785.93 : 58,164.52 = 13,819.35 : x
  2. Step 2: Convert to fraction form
    38,785.93/58,164.52 = 13,819.35/x
  3. Step 3: Cross multiply
    38,785.93x = 58,164.52 × 13,819.35
  4. Step 4: Simplify right side
    38,785.93x = 803,795,824.91
  5. Step 5: Solve for x
    x = 803,795,824.91/38,785.93
  6. Step 6: Final answer
    x = 20,723.90

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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.