Home / 56,091.33-84,112.38-21,006.41

Finding the Fourth Proportional to 56,091.33, 84,112.38 and 21,006.41

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Solution

The fourth proportional to 56,091.33, 84,112.38 and 21,006.41 is: 31,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,091.33 : 84,112.38 = 21,006.41 : x
  2. Step 2: Convert to fraction form
    56,091.33/84,112.38 = 21,006.41/x
  3. Step 3: Cross multiply
    56,091.33x = 84,112.38 × 21,006.41
  4. Step 4: Simplify right side
    56,091.33x = 1,766,898,719.79
  5. Step 5: Solve for x
    x = 1,766,898,719.79/56,091.33
  6. Step 6: Final answer
    x = 31,500.39

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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.