Home / 38,329.21-52,893.71-21,333.25

Finding the Fourth Proportional to 38,329.21, 52,893.71 and 21,333.25

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Solution

The fourth proportional to 38,329.21, 52,893.71 and 21,333.25 is: 29,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,329.21 : 52,893.71 = 21,333.25 : x
  2. Step 2: Convert to fraction form
    38,329.21/52,893.71 = 21,333.25/x
  3. Step 3: Cross multiply
    38,329.21x = 52,893.71 × 21,333.25
  4. Step 4: Simplify right side
    38,329.21x = 1,128,394,632.19
  5. Step 5: Solve for x
    x = 1,128,394,632.19/38,329.21
  6. Step 6: Final answer
    x = 29,439.55

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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.