Home / 53,310.80-79,993.88-21,744.02

Finding the Fourth Proportional to 53,310.80, 79,993.88 and 21,744.02

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Solution

The fourth proportional to 53,310.80, 79,993.88 and 21,744.02 is: 32,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.80 : 79,993.88 = 21,744.02 : x
  2. Step 2: Convert to fraction form
    53,310.80/79,993.88 = 21,744.02/x
  3. Step 3: Cross multiply
    53,310.80x = 79,993.88 × 21,744.02
  4. Step 4: Simplify right side
    53,310.80x = 1,739,388,699.40
  5. Step 5: Solve for x
    x = 1,739,388,699.40/53,310.80
  6. Step 6: Final answer
    x = 32,627.32

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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.