Home / 30,345.42-41,852.94-19,738.44

Finding the Fourth Proportional to 30,345.42, 41,852.94 and 19,738.44

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Solution

The fourth proportional to 30,345.42, 41,852.94 and 19,738.44 is: 27,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.42 : 41,852.94 = 19,738.44 : x
  2. Step 2: Convert to fraction form
    30,345.42/41,852.94 = 19,738.44/x
  3. Step 3: Cross multiply
    30,345.42x = 41,852.94 × 19,738.44
  4. Step 4: Simplify right side
    30,345.42x = 826,111,745.01
  5. Step 5: Solve for x
    x = 826,111,745.01/30,345.42
  6. Step 6: Final answer
    x = 27,223.61

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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.