Home / 54,594.90-81,843.63-21,307.23

Finding the Fourth Proportional to 54,594.90, 81,843.63 and 21,307.23

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Solution

The fourth proportional to 54,594.90, 81,843.63 and 21,307.23 is: 31,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,594.90 : 81,843.63 = 21,307.23 : x
  2. Step 2: Convert to fraction form
    54,594.90/81,843.63 = 21,307.23/x
  3. Step 3: Cross multiply
    54,594.90x = 81,843.63 × 21,307.23
  4. Step 4: Simplify right side
    54,594.90x = 1,743,861,048.44
  5. Step 5: Solve for x
    x = 1,743,861,048.44/54,594.90
  6. Step 6: Final answer
    x = 31,941.83

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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.