Home / 51,570.22-71,163.21-30,346.60

Finding the Fourth Proportional to 51,570.22, 71,163.21 and 30,346.60

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Solution

The fourth proportional to 51,570.22, 71,163.21 and 30,346.60 is: 41,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,570.22 : 71,163.21 = 30,346.60 : x
  2. Step 2: Convert to fraction form
    51,570.22/71,163.21 = 30,346.60/x
  3. Step 3: Cross multiply
    51,570.22x = 71,163.21 × 30,346.60
  4. Step 4: Simplify right side
    51,570.22x = 2,159,561,468.59
  5. Step 5: Solve for x
    x = 2,159,561,468.59/51,570.22
  6. Step 6: Final answer
    x = 41,876.13

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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.