Home / 33,638.25-46,420.80-19,499.30

Finding the Fourth Proportional to 33,638.25, 46,420.80 and 19,499.30

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Solution

The fourth proportional to 33,638.25, 46,420.80 and 19,499.30 is: 26,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,638.25 : 46,420.80 = 19,499.30 : x
  2. Step 2: Convert to fraction form
    33,638.25/46,420.80 = 19,499.30/x
  3. Step 3: Cross multiply
    33,638.25x = 46,420.80 × 19,499.30
  4. Step 4: Simplify right side
    33,638.25x = 905,173,105.44
  5. Step 5: Solve for x
    x = 905,173,105.44/33,638.25
  6. Step 6: Final answer
    x = 26,909.04

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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.