Home / 30,087.06-41,524.13-18,157.22

Finding the Fourth Proportional to 30,087.06, 41,524.13 and 18,157.22

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Solution

The fourth proportional to 30,087.06, 41,524.13 and 18,157.22 is: 25,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.06 : 41,524.13 = 18,157.22 : x
  2. Step 2: Convert to fraction form
    30,087.06/41,524.13 = 18,157.22/x
  3. Step 3: Cross multiply
    30,087.06x = 41,524.13 × 18,157.22
  4. Step 4: Simplify right side
    30,087.06x = 753,962,763.72
  5. Step 5: Solve for x
    x = 753,962,763.72/30,087.06
  6. Step 6: Final answer
    x = 25,059.37

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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.