Home / 33,810.48-46,636.32-20,372.64

Finding the Fourth Proportional to 33,810.48, 46,636.32 and 20,372.64

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Solution

The fourth proportional to 33,810.48, 46,636.32 and 20,372.64 is: 28,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,810.48 : 46,636.32 = 20,372.64 : x
  2. Step 2: Convert to fraction form
    33,810.48/46,636.32 = 20,372.64/x
  3. Step 3: Cross multiply
    33,810.48x = 46,636.32 × 20,372.64
  4. Step 4: Simplify right side
    33,810.48x = 950,104,958.28
  5. Step 5: Solve for x
    x = 950,104,958.28/33,810.48
  6. Step 6: Final answer
    x = 28,100.90

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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.