Home / 58,144.39-87,161.21-18,673.82

Finding the Fourth Proportional to 58,144.39, 87,161.21 and 18,673.82

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Solution

The fourth proportional to 58,144.39, 87,161.21 and 18,673.82 is: 27,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,144.39 : 87,161.21 = 18,673.82 : x
  2. Step 2: Convert to fraction form
    58,144.39/87,161.21 = 18,673.82/x
  3. Step 3: Cross multiply
    58,144.39x = 87,161.21 × 18,673.82
  4. Step 4: Simplify right side
    58,144.39x = 1,627,633,025.69
  5. Step 5: Solve for x
    x = 1,627,633,025.69/58,144.39
  6. Step 6: Final answer
    x = 27,992.95

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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.