Home / 30,243.17-41,733.20-16,813.60

Finding the Fourth Proportional to 30,243.17, 41,733.20 and 16,813.60

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Solution

The fourth proportional to 30,243.17, 41,733.20 and 16,813.60 is: 23,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.17 : 41,733.20 = 16,813.60 : x
  2. Step 2: Convert to fraction form
    30,243.17/41,733.20 = 16,813.60/x
  3. Step 3: Cross multiply
    30,243.17x = 41,733.20 × 16,813.60
  4. Step 4: Simplify right side
    30,243.17x = 701,685,331.52
  5. Step 5: Solve for x
    x = 701,685,331.52/30,243.17
  6. Step 6: Final answer
    x = 23,201.45

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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.