Home / 33,421.50-46,121.67-19,993.32

Finding the Fourth Proportional to 33,421.50, 46,121.67 and 19,993.32

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Solution

The fourth proportional to 33,421.50, 46,121.67 and 19,993.32 is: 27,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.50 : 46,121.67 = 19,993.32 : x
  2. Step 2: Convert to fraction form
    33,421.50/46,121.67 = 19,993.32/x
  3. Step 3: Cross multiply
    33,421.50x = 46,121.67 × 19,993.32
  4. Step 4: Simplify right side
    33,421.50x = 922,125,307.24
  5. Step 5: Solve for x
    x = 922,125,307.24/33,421.50
  6. Step 6: Final answer
    x = 27,590.78

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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.