Home / 30,092.08-45,148.92-13,450.72

Finding the Fourth Proportional to 30,092.08, 45,148.92 and 13,450.72

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Solution

The fourth proportional to 30,092.08, 45,148.92 and 13,450.72 is: 20,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,092.08 : 45,148.92 = 13,450.72 : x
  2. Step 2: Convert to fraction form
    30,092.08/45,148.92 = 13,450.72/x
  3. Step 3: Cross multiply
    30,092.08x = 45,148.92 × 13,450.72
  4. Step 4: Simplify right side
    30,092.08x = 607,285,481.22
  5. Step 5: Solve for x
    x = 607,285,481.22/30,092.08
  6. Step 6: Final answer
    x = 20,180.91

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1.5x scale

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.