Home / 53,290.62-79,963.86-21,724.02

Finding the Fourth Proportional to 53,290.62, 79,963.86 and 21,724.02

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Solution

The fourth proportional to 53,290.62, 79,963.86 and 21,724.02 is: 32,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.62 : 79,963.86 = 21,724.02 : x
  2. Step 2: Convert to fraction form
    53,290.62/79,963.86 = 21,724.02/x
  3. Step 3: Cross multiply
    53,290.62x = 79,963.86 × 21,724.02
  4. Step 4: Simplify right side
    53,290.62x = 1,737,136,493.92
  5. Step 5: Solve for x
    x = 1,737,136,493.92/53,290.62
  6. Step 6: Final answer
    x = 32,597.42

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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.