Home / 72,261.36-108,402.26-22,345.83

Finding the Fourth Proportional to 72,261.36, 108,402.26 and 22,345.83

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Solution

The fourth proportional to 72,261.36, 108,402.26 and 22,345.83 is: 33,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,261.36 : 108,402.26 = 22,345.83 : x
  2. Step 2: Convert to fraction form
    72,261.36/108,402.26 = 22,345.83/x
  3. Step 3: Cross multiply
    72,261.36x = 108,402.26 × 22,345.83
  4. Step 4: Simplify right side
    72,261.36x = 2,422,338,361.85
  5. Step 5: Solve for x
    x = 2,422,338,361.85/72,261.36
  6. Step 6: Final answer
    x = 33,521.90

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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.