Home / 32,906.90-45,390.62-21,577.14

Finding the Fourth Proportional to 32,906.90, 45,390.62 and 21,577.14

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Solution

The fourth proportional to 32,906.90, 45,390.62 and 21,577.14 is: 29,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,906.90 : 45,390.62 = 21,577.14 : x
  2. Step 2: Convert to fraction form
    32,906.90/45,390.62 = 21,577.14/x
  3. Step 3: Cross multiply
    32,906.90x = 45,390.62 × 21,577.14
  4. Step 4: Simplify right side
    32,906.90x = 979,399,762.43
  5. Step 5: Solve for x
    x = 979,399,762.43/32,906.90
  6. Step 6: Final answer
    x = 29,762.75

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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.