Home / 39,591.42-54,634.14-21,682.98

Finding the Fourth Proportional to 39,591.42, 54,634.14 and 21,682.98

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Solution

The fourth proportional to 39,591.42, 54,634.14 and 21,682.98 is: 29,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,591.42 : 54,634.14 = 21,682.98 : x
  2. Step 2: Convert to fraction form
    39,591.42/54,634.14 = 21,682.98/x
  3. Step 3: Cross multiply
    39,591.42x = 54,634.14 × 21,682.98
  4. Step 4: Simplify right side
    39,591.42x = 1,184,630,964.94
  5. Step 5: Solve for x
    x = 1,184,630,964.94/39,591.42
  6. Step 6: Final answer
    x = 29,921.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.