Home / 30,104.98-41,546.34-18,168.10

Finding the Fourth Proportional to 30,104.98, 41,546.34 and 18,168.10

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Solution

The fourth proportional to 30,104.98, 41,546.34 and 18,168.10 is: 25,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.98 : 41,546.34 = 18,168.10 : x
  2. Step 2: Convert to fraction form
    30,104.98/41,546.34 = 18,168.10/x
  3. Step 3: Cross multiply
    30,104.98x = 41,546.34 × 18,168.10
  4. Step 4: Simplify right side
    30,104.98x = 754,818,059.75
  5. Step 5: Solve for x
    x = 754,818,059.75/30,104.98
  6. Step 6: Final answer
    x = 25,072.86

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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.