Home / 33,421.98-46,121.60-18,314.32

Finding the Fourth Proportional to 33,421.98, 46,121.60 and 18,314.32

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Solution

The fourth proportional to 33,421.98, 46,121.60 and 18,314.32 is: 25,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.98 : 46,121.60 = 18,314.32 : x
  2. Step 2: Convert to fraction form
    33,421.98/46,121.60 = 18,314.32/x
  3. Step 3: Cross multiply
    33,421.98x = 46,121.60 × 18,314.32
  4. Step 4: Simplify right side
    33,421.98x = 844,685,758.27
  5. Step 5: Solve for x
    x = 844,685,758.27/33,421.98
  6. Step 6: Final answer
    x = 25,273.36

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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.