Home / 56,257.76-84,336.98-21,222.02

Finding the Fourth Proportional to 56,257.76, 84,336.98 and 21,222.02

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Solution

The fourth proportional to 56,257.76, 84,336.98 and 21,222.02 is: 31,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,257.76 : 84,336.98 = 21,222.02 : x
  2. Step 2: Convert to fraction form
    56,257.76/84,336.98 = 21,222.02/x
  3. Step 3: Cross multiply
    56,257.76x = 84,336.98 × 21,222.02
  4. Step 4: Simplify right side
    56,257.76x = 1,789,801,076.30
  5. Step 5: Solve for x
    x = 1,789,801,076.30/56,257.76
  6. Step 6: Final answer
    x = 31,814.30

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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.