Home / 53,119.13-79,692.39-19,839.42

Finding the Fourth Proportional to 53,119.13, 79,692.39 and 19,839.42

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Solution

The fourth proportional to 53,119.13, 79,692.39 and 19,839.42 is: 29,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.13 : 79,692.39 = 19,839.42 : x
  2. Step 2: Convert to fraction form
    53,119.13/79,692.39 = 19,839.42/x
  3. Step 3: Cross multiply
    53,119.13x = 79,692.39 × 19,839.42
  4. Step 4: Simplify right side
    53,119.13x = 1,581,050,796.01
  5. Step 5: Solve for x
    x = 1,581,050,796.01/53,119.13
  6. Step 6: Final answer
    x = 29,764.25

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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.