Home / 30,058.55-41,481.56-18,122.65

Finding the Fourth Proportional to 30,058.55, 41,481.56 and 18,122.65

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Solution

The fourth proportional to 30,058.55, 41,481.56 and 18,122.65 is: 25,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,058.55 : 41,481.56 = 18,122.65 : x
  2. Step 2: Convert to fraction form
    30,058.55/41,481.56 = 18,122.65/x
  3. Step 3: Cross multiply
    30,058.55x = 41,481.56 × 18,122.65
  4. Step 4: Simplify right side
    30,058.55x = 751,755,734.94
  5. Step 5: Solve for x
    x = 751,755,734.94/30,058.55
  6. Step 6: Final answer
    x = 25,009.72

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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.