Home / 30,223.78-41,708.85-16,794.72

Finding the Fourth Proportional to 30,223.78, 41,708.85 and 16,794.72

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Solution

The fourth proportional to 30,223.78, 41,708.85 and 16,794.72 is: 23,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223.78 : 41,708.85 = 16,794.72 : x
  2. Step 2: Convert to fraction form
    30,223.78/41,708.85 = 16,794.72/x
  3. Step 3: Cross multiply
    30,223.78x = 41,708.85 × 16,794.72
  4. Step 4: Simplify right side
    30,223.78x = 700,488,457.27
  5. Step 5: Solve for x
    x = 700,488,457.27/30,223.78
  6. Step 6: Final answer
    x = 23,176.73

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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.