Home / 56,091.42-84,112.48-21,006.46

Finding the Fourth Proportional to 56,091.42, 84,112.48 and 21,006.46

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Solution

The fourth proportional to 56,091.42, 84,112.48 and 21,006.46 is: 31,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,091.42 : 84,112.48 = 21,006.46 : x
  2. Step 2: Convert to fraction form
    56,091.42/84,112.48 = 21,006.46/x
  3. Step 3: Cross multiply
    56,091.42x = 84,112.48 × 21,006.46
  4. Step 4: Simplify right side
    56,091.42x = 1,766,905,446.62
  5. Step 5: Solve for x
    x = 1,766,905,446.62/56,091.42
  6. Step 6: Final answer
    x = 31,500.46

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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.