Home / 30,880.48-42,615.14-16,733.33

Finding the Fourth Proportional to 30,880.48, 42,615.14 and 16,733.33

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Solution

The fourth proportional to 30,880.48, 42,615.14 and 16,733.33 is: 23,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.48 : 42,615.14 = 16,733.33 : x
  2. Step 2: Convert to fraction form
    30,880.48/42,615.14 = 16,733.33/x
  3. Step 3: Cross multiply
    30,880.48x = 42,615.14 × 16,733.33
  4. Step 4: Simplify right side
    30,880.48x = 713,093,200.62
  5. Step 5: Solve for x
    x = 713,093,200.62/30,880.48
  6. Step 6: Final answer
    x = 23,092.04

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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.