Home / 38,742.48-58,105.08-15,362.64

Finding the Fourth Proportional to 38,742.48, 58,105.08 and 15,362.64

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Solution

The fourth proportional to 38,742.48, 58,105.08 and 15,362.64 is: 23,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.48 : 58,105.08 = 15,362.64 : x
  2. Step 2: Convert to fraction form
    38,742.48/58,105.08 = 15,362.64/x
  3. Step 3: Cross multiply
    38,742.48x = 58,105.08 × 15,362.64
  4. Step 4: Simplify right side
    38,742.48x = 892,647,426.21
  5. Step 5: Solve for x
    x = 892,647,426.21/38,742.48
  6. Step 6: Final answer
    x = 23,040.53

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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.