Home / 35,163.72-52,743.96-12,975.66

Finding the Fourth Proportional to 35,163.72, 52,743.96 and 12,975.66

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Solution

The fourth proportional to 35,163.72, 52,743.96 and 12,975.66 is: 19,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,163.72 : 52,743.96 = 12,975.66 : x
  2. Step 2: Convert to fraction form
    35,163.72/52,743.96 = 12,975.66/x
  3. Step 3: Cross multiply
    35,163.72x = 52,743.96 × 12,975.66
  4. Step 4: Simplify right side
    35,163.72x = 684,387,692.01
  5. Step 5: Solve for x
    x = 684,387,692.01/35,163.72
  6. Step 6: Final answer
    x = 19,462.89

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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.