Home / 33,880.51-46,760.57-21,978.46

Finding the Fourth Proportional to 33,880.51, 46,760.57 and 21,978.46

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Solution

The fourth proportional to 33,880.51, 46,760.57 and 21,978.46 is: 30,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,880.51 : 46,760.57 = 21,978.46 : x
  2. Step 2: Convert to fraction form
    33,880.51/46,760.57 = 21,978.46/x
  3. Step 3: Cross multiply
    33,880.51x = 46,760.57 × 21,978.46
  4. Step 4: Simplify right side
    33,880.51x = 1,027,725,317.32
  5. Step 5: Solve for x
    x = 1,027,725,317.32/33,880.51
  6. Step 6: Final answer
    x = 30,333.82

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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.