Home / 30,246.75-41,745.06-21,776.91

Finding the Fourth Proportional to 30,246.75, 41,745.06 and 21,776.91

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Solution

The fourth proportional to 30,246.75, 41,745.06 and 21,776.91 is: 30,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.75 : 41,745.06 = 21,776.91 : x
  2. Step 2: Convert to fraction form
    30,246.75/41,745.06 = 21,776.91/x
  3. Step 3: Cross multiply
    30,246.75x = 41,745.06 × 21,776.91
  4. Step 4: Simplify right side
    30,246.75x = 909,078,414.56
  5. Step 5: Solve for x
    x = 909,078,414.56/30,246.75
  6. Step 6: Final answer
    x = 30,055.41

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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.