Home / 54,643.08-81,966.24-21,361.80

Finding the Fourth Proportional to 54,643.08, 81,966.24 and 21,361.80

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Solution

The fourth proportional to 54,643.08, 81,966.24 and 21,361.80 is: 32,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,643.08 : 81,966.24 = 21,361.80 : x
  2. Step 2: Convert to fraction form
    54,643.08/81,966.24 = 21,361.80/x
  3. Step 3: Cross multiply
    54,643.08x = 81,966.24 × 21,361.80
  4. Step 4: Simplify right side
    54,643.08x = 1,750,946,425.63
  5. Step 5: Solve for x
    x = 1,750,946,425.63/54,643.08
  6. Step 6: Final answer
    x = 32,043.33

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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.