Home / 80,845.81-121,286.88-24,681.21

Finding the Fourth Proportional to 80,845.81, 121,286.88 and 24,681.21

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Solution

The fourth proportional to 80,845.81, 121,286.88 and 24,681.21 is: 37,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,845.81 : 121,286.88 = 24,681.21 : x
  2. Step 2: Convert to fraction form
    80,845.81/121,286.88 = 24,681.21/x
  3. Step 3: Cross multiply
    80,845.81x = 121,286.88 × 24,681.21
  4. Step 4: Simplify right side
    80,845.81x = 2,993,507,281.73
  5. Step 5: Solve for x
    x = 2,993,507,281.73/80,845.81
  6. Step 6: Final answer
    x = 37,027.37

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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.