Home / 30,354.21-41,910.39-25,331.41

Finding the Fourth Proportional to 30,354.21, 41,910.39 and 25,331.41

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Solution

The fourth proportional to 30,354.21, 41,910.39 and 25,331.41 is: 34,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.21 : 41,910.39 = 25,331.41 : x
  2. Step 2: Convert to fraction form
    30,354.21/41,910.39 = 25,331.41/x
  3. Step 3: Cross multiply
    30,354.21x = 41,910.39 × 25,331.41
  4. Step 4: Simplify right side
    30,354.21x = 1,061,649,145.69
  5. Step 5: Solve for x
    x = 1,061,649,145.69/30,354.21
  6. Step 6: Final answer
    x = 34,975.35

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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.