Home / 55,054.86-82,556.25-21,336.66

Finding the Fourth Proportional to 55,054.86, 82,556.25 and 21,336.66

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Solution

The fourth proportional to 55,054.86, 82,556.25 and 21,336.66 is: 31,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,054.86 : 82,556.25 = 21,336.66 : x
  2. Step 2: Convert to fraction form
    55,054.86/82,556.25 = 21,336.66/x
  3. Step 3: Cross multiply
    55,054.86x = 82,556.25 × 21,336.66
  4. Step 4: Simplify right side
    55,054.86x = 1,761,474,637.13
  5. Step 5: Solve for x
    x = 1,761,474,637.13/55,054.86
  6. Step 6: Final answer
    x = 31,994.90

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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.