Home / 56,051.22-84,060.39-20,982.66

Finding the Fourth Proportional to 56,051.22, 84,060.39 and 20,982.66

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Solution

The fourth proportional to 56,051.22, 84,060.39 and 20,982.66 is: 31,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,051.22 : 84,060.39 = 20,982.66 : x
  2. Step 2: Convert to fraction form
    56,051.22/84,060.39 = 20,982.66/x
  3. Step 3: Cross multiply
    56,051.22x = 84,060.39 × 20,982.66
  4. Step 4: Simplify right side
    56,051.22x = 1,763,810,582.84
  5. Step 5: Solve for x
    x = 1,763,810,582.84/56,051.22
  6. Step 6: Final answer
    x = 31,467.84

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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.