Home / 53,577.96-80,361.29-21,991.35

Finding the Fourth Proportional to 53,577.96, 80,361.29 and 21,991.35

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Solution

The fourth proportional to 53,577.96, 80,361.29 and 21,991.35 is: 32,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,577.96 : 80,361.29 = 21,991.35 : x
  2. Step 2: Convert to fraction form
    53,577.96/80,361.29 = 21,991.35/x
  3. Step 3: Cross multiply
    53,577.96x = 80,361.29 × 21,991.35
  4. Step 4: Simplify right side
    53,577.96x = 1,767,253,309.82
  5. Step 5: Solve for x
    x = 1,767,253,309.82/53,577.96
  6. Step 6: Final answer
    x = 32,984.71

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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.