Home / 56,229.12-84,333.96-21,162.60

Finding the Fourth Proportional to 56,229.12, 84,333.96 and 21,162.60

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Solution

The fourth proportional to 56,229.12, 84,333.96 and 21,162.60 is: 31,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229.12 : 84,333.96 = 21,162.60 : x
  2. Step 2: Convert to fraction form
    56,229.12/84,333.96 = 21,162.60/x
  3. Step 3: Cross multiply
    56,229.12x = 84,333.96 × 21,162.60
  4. Step 4: Simplify right side
    56,229.12x = 1,784,725,861.90
  5. Step 5: Solve for x
    x = 1,784,725,861.90/56,229.12
  6. Step 6: Final answer
    x = 31,740.24

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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.