Home / 38,349.12-57,529.48-12,051.38

Finding the Fourth Proportional to 38,349.12, 57,529.48 and 12,051.38

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Solution

The fourth proportional to 38,349.12, 57,529.48 and 12,051.38 is: 18,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,349.12 : 57,529.48 = 12,051.38 : x
  2. Step 2: Convert to fraction form
    38,349.12/57,529.48 = 12,051.38/x
  3. Step 3: Cross multiply
    38,349.12x = 57,529.48 × 12,051.38
  4. Step 4: Simplify right side
    38,349.12x = 693,309,624.68
  5. Step 5: Solve for x
    x = 693,309,624.68/38,349.12
  6. Step 6: Final answer
    x = 18,078.89

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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.