Home / 30,240-41,733.36-16,811.28

Finding the Fourth Proportional to 30,240, 41,733.36 and 16,811.28

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Solution

The fourth proportional to 30,240, 41,733.36 and 16,811.28 is: 23,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240 : 41,733.36 = 16,811.28 : x
  2. Step 2: Convert to fraction form
    30,240/41,733.36 = 16,811.28/x
  3. Step 3: Cross multiply
    30,240x = 41,733.36 × 16,811.28
  4. Step 4: Simplify right side
    30,240x = 701,591,200.30
  5. Step 5: Solve for x
    x = 701,591,200.30/30,240
  6. Step 6: Final answer
    x = 23,200.77

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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.