Home / 48,169.82-72,253.37-13,109.78

Finding the Fourth Proportional to 48,169.82, 72,253.37 and 13,109.78

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Solution

The fourth proportional to 48,169.82, 72,253.37 and 13,109.78 is: 19,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,169.82 : 72,253.37 = 13,109.78 : x
  2. Step 2: Convert to fraction form
    48,169.82/72,253.37 = 13,109.78/x
  3. Step 3: Cross multiply
    48,169.82x = 72,253.37 × 13,109.78
  4. Step 4: Simplify right side
    48,169.82x = 947,225,390.92
  5. Step 5: Solve for x
    x = 947,225,390.92/48,169.82
  6. Step 6: Final answer
    x = 19,664.29

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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.