Home / 30,255.78-41,715.36-23,869.74

Finding the Fourth Proportional to 30,255.78, 41,715.36 and 23,869.74

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Solution

The fourth proportional to 30,255.78, 41,715.36 and 23,869.74 is: 32,910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.78 : 41,715.36 = 23,869.74 : x
  2. Step 2: Convert to fraction form
    30,255.78/41,715.36 = 23,869.74/x
  3. Step 3: Cross multiply
    30,255.78x = 41,715.36 × 23,869.74
  4. Step 4: Simplify right side
    30,255.78x = 995,734,797.21
  5. Step 5: Solve for x
    x = 995,734,797.21/30,255.78
  6. Step 6: Final answer
    x = 32,910.56

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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.