Home / 56,057.22-84,111.30-20,999.52

Finding the Fourth Proportional to 56,057.22, 84,111.30 and 20,999.52

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Solution

The fourth proportional to 56,057.22, 84,111.30 and 20,999.52 is: 31,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,057.22 : 84,111.30 = 20,999.52 : x
  2. Step 2: Convert to fraction form
    56,057.22/84,111.30 = 20,999.52/x
  3. Step 3: Cross multiply
    56,057.22x = 84,111.30 × 20,999.52
  4. Step 4: Simplify right side
    56,057.22x = 1,766,296,926.58
  5. Step 5: Solve for x
    x = 1,766,296,926.58/56,057.22
  6. Step 6: Final answer
    x = 31,508.82

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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.