Home / 53,185.20-79,791.63-19,907.88

Finding the Fourth Proportional to 53,185.20, 79,791.63 and 19,907.88

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Solution

The fourth proportional to 53,185.20, 79,791.63 and 19,907.88 is: 29,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,185.20 : 79,791.63 = 19,907.88 : x
  2. Step 2: Convert to fraction form
    53,185.20/79,791.63 = 19,907.88/x
  3. Step 3: Cross multiply
    53,185.20x = 79,791.63 × 19,907.88
  4. Step 4: Simplify right side
    53,185.20x = 1,588,482,195.04
  5. Step 5: Solve for x
    x = 1,588,482,195.04/53,185.20
  6. Step 6: Final answer
    x = 29,867.00

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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.