Home / 30,481.10-45,707.06-12,941.36

Finding the Fourth Proportional to 30,481.10, 45,707.06 and 12,941.36

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Solution

The fourth proportional to 30,481.10, 45,707.06 and 12,941.36 is: 19,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481.10 : 45,707.06 = 12,941.36 : x
  2. Step 2: Convert to fraction form
    30,481.10/45,707.06 = 12,941.36/x
  3. Step 3: Cross multiply
    30,481.10x = 45,707.06 × 12,941.36
  4. Step 4: Simplify right side
    30,481.10x = 591,511,321.82
  5. Step 5: Solve for x
    x = 591,511,321.82/30,481.10
  6. Step 6: Final answer
    x = 19,405.84

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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.