Home / 33,858.84-46,710.43-20,422.63

Finding the Fourth Proportional to 33,858.84, 46,710.43 and 20,422.63

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Solution

The fourth proportional to 33,858.84, 46,710.43 and 20,422.63 is: 28,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,858.84 : 46,710.43 = 20,422.63 : x
  2. Step 2: Convert to fraction form
    33,858.84/46,710.43 = 20,422.63/x
  3. Step 3: Cross multiply
    33,858.84x = 46,710.43 × 20,422.63
  4. Step 4: Simplify right side
    33,858.84x = 953,949,829.03
  5. Step 5: Solve for x
    x = 953,949,829.03/33,858.84
  6. Step 6: Final answer
    x = 28,174.32

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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.