Home / 30,103.03-41,562.48-18,789.76

Finding the Fourth Proportional to 30,103.03, 41,562.48 and 18,789.76

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Solution

The fourth proportional to 30,103.03, 41,562.48 and 18,789.76 is: 25,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.03 : 41,562.48 = 18,789.76 : x
  2. Step 2: Convert to fraction form
    30,103.03/41,562.48 = 18,789.76/x
  3. Step 3: Cross multiply
    30,103.03x = 41,562.48 × 18,789.76
  4. Step 4: Simplify right side
    30,103.03x = 780,949,024.20
  5. Step 5: Solve for x
    x = 780,949,024.20/30,103.03
  6. Step 6: Final answer
    x = 25,942.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.