Home / 71,501.90-107,268.26-21,577.82

Finding the Fourth Proportional to 71,501.90, 107,268.26 and 21,577.82

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Solution

The fourth proportional to 71,501.90, 107,268.26 and 21,577.82 is: 32,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,501.90 : 107,268.26 = 21,577.82 : x
  2. Step 2: Convert to fraction form
    71,501.90/107,268.26 = 21,577.82/x
  3. Step 3: Cross multiply
    71,501.90x = 107,268.26 × 21,577.82
  4. Step 4: Simplify right side
    71,501.90x = 2,314,614,561.76
  5. Step 5: Solve for x
    x = 2,314,614,561.76/71,501.90
  6. Step 6: Final answer
    x = 32,371.37

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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.