Home / 51,579.22-71,175.60-30,355.60

Finding the Fourth Proportional to 51,579.22, 71,175.60 and 30,355.60

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Solution

The fourth proportional to 51,579.22, 71,175.60 and 30,355.60 is: 41,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,579.22 : 71,175.60 = 30,355.60 : x
  2. Step 2: Convert to fraction form
    51,579.22/71,175.60 = 30,355.60/x
  3. Step 3: Cross multiply
    51,579.22x = 71,175.60 × 30,355.60
  4. Step 4: Simplify right side
    51,579.22x = 2,160,578,043.36
  5. Step 5: Solve for x
    x = 2,160,578,043.36/51,579.22
  6. Step 6: Final answer
    x = 41,888.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.