Home / 51,477.66-77,197.05-21,909.42

Finding the Fourth Proportional to 51,477.66, 77,197.05 and 21,909.42

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Solution

The fourth proportional to 51,477.66, 77,197.05 and 21,909.42 is: 32,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,477.66 : 77,197.05 = 21,909.42 : x
  2. Step 2: Convert to fraction form
    51,477.66/77,197.05 = 21,909.42/x
  3. Step 3: Cross multiply
    51,477.66x = 77,197.05 × 21,909.42
  4. Step 4: Simplify right side
    51,477.66x = 1,691,342,591.21
  5. Step 5: Solve for x
    x = 1,691,342,591.21/51,477.66
  6. Step 6: Final answer
    x = 32,855.86

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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.