Home / 48,575.79-72,833.49-20,481.39

Finding the Fourth Proportional to 48,575.79, 72,833.49 and 20,481.39

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Solution

The fourth proportional to 48,575.79, 72,833.49 and 20,481.39 is: 30,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,575.79 : 72,833.49 = 20,481.39 : x
  2. Step 2: Convert to fraction form
    48,575.79/72,833.49 = 20,481.39/x
  3. Step 3: Cross multiply
    48,575.79x = 72,833.49 × 20,481.39
  4. Step 4: Simplify right side
    48,575.79x = 1,491,731,113.75
  5. Step 5: Solve for x
    x = 1,491,731,113.75/48,575.79
  6. Step 6: Final answer
    x = 30,709.35

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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.