Home / 30,161.07-41,616.21-18,225.07

Finding the Fourth Proportional to 30,161.07, 41,616.21 and 18,225.07

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Solution

The fourth proportional to 30,161.07, 41,616.21 and 18,225.07 is: 25,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.07 : 41,616.21 = 18,225.07 : x
  2. Step 2: Convert to fraction form
    30,161.07/41,616.21 = 18,225.07/x
  3. Step 3: Cross multiply
    30,161.07x = 41,616.21 × 18,225.07
  4. Step 4: Simplify right side
    30,161.07x = 758,458,304.69
  5. Step 5: Solve for x
    x = 758,458,304.69/30,161.07
  6. Step 6: Final answer
    x = 25,146.93

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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.