Home / 30,100.44-41,543.46-18,165.54

Finding the Fourth Proportional to 30,100.44, 41,543.46 and 18,165.54

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Solution

The fourth proportional to 30,100.44, 41,543.46 and 18,165.54 is: 25,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.44 : 41,543.46 = 18,165.54 : x
  2. Step 2: Convert to fraction form
    30,100.44/41,543.46 = 18,165.54/x
  3. Step 3: Cross multiply
    30,100.44x = 41,543.46 × 18,165.54
  4. Step 4: Simplify right side
    30,100.44x = 754,659,384.37
  5. Step 5: Solve for x
    x = 754,659,384.37/30,100.44
  6. Step 6: Final answer
    x = 25,071.37

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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.