Home / 30,453.79-45,670.96-9,672.43

Finding the Fourth Proportional to 30,453.79, 45,670.96 and 9,672.43

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Solution

The fourth proportional to 30,453.79, 45,670.96 and 9,672.43 is: 14,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.79 : 45,670.96 = 9,672.43 : x
  2. Step 2: Convert to fraction form
    30,453.79/45,670.96 = 9,672.43/x
  3. Step 3: Cross multiply
    30,453.79x = 45,670.96 × 9,672.43
  4. Step 4: Simplify right side
    30,453.79x = 441,749,163.63
  5. Step 5: Solve for x
    x = 441,749,163.63/30,453.79
  6. Step 6: Final answer
    x = 14,505.56

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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.