Home / 50,947.85-76,421.54-43,380.94

Finding the Fourth Proportional to 50,947.85, 76,421.54 and 43,380.94

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Solution

The fourth proportional to 50,947.85, 76,421.54 and 43,380.94 is: 65,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,947.85 : 76,421.54 = 43,380.94 : x
  2. Step 2: Convert to fraction form
    50,947.85/76,421.54 = 43,380.94/x
  3. Step 3: Cross multiply
    50,947.85x = 76,421.54 × 43,380.94
  4. Step 4: Simplify right side
    50,947.85x = 3,315,238,241.45
  5. Step 5: Solve for x
    x = 3,315,238,241.45/50,947.85
  6. Step 6: Final answer
    x = 65,071.21

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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.