Home / 48,212.38-72,322.44-13,151.26

Finding the Fourth Proportional to 48,212.38, 72,322.44 and 13,151.26

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Solution

The fourth proportional to 48,212.38, 72,322.44 and 13,151.26 is: 19,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,212.38 : 72,322.44 = 13,151.26 : x
  2. Step 2: Convert to fraction form
    48,212.38/72,322.44 = 13,151.26/x
  3. Step 3: Cross multiply
    48,212.38x = 72,322.44 × 13,151.26
  4. Step 4: Simplify right side
    48,212.38x = 951,131,212.27
  5. Step 5: Solve for x
    x = 951,131,212.27/48,212.38
  6. Step 6: Final answer
    x = 19,727.95

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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.