Home / 30,162.70-41,625.63-18,223.72

Finding the Fourth Proportional to 30,162.70, 41,625.63 and 18,223.72

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Solution

The fourth proportional to 30,162.70, 41,625.63 and 18,223.72 is: 25,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.70 : 41,625.63 = 18,223.72 : x
  2. Step 2: Convert to fraction form
    30,162.70/41,625.63 = 18,223.72/x
  3. Step 3: Cross multiply
    30,162.70x = 41,625.63 × 18,223.72
  4. Step 4: Simplify right side
    30,162.70x = 758,573,930.01
  5. Step 5: Solve for x
    x = 758,573,930.01/30,162.70
  6. Step 6: Final answer
    x = 25,149.41

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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.