Home / 33,420.63-46,120.46-19,992.45

Finding the Fourth Proportional to 33,420.63, 46,120.46 and 19,992.45

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Solution

The fourth proportional to 33,420.63, 46,120.46 and 19,992.45 is: 27,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.63 : 46,120.46 = 19,992.45 : x
  2. Step 2: Convert to fraction form
    33,420.63/46,120.46 = 19,992.45/x
  3. Step 3: Cross multiply
    33,420.63x = 46,120.46 × 19,992.45
  4. Step 4: Simplify right side
    33,420.63x = 922,060,809.91
  5. Step 5: Solve for x
    x = 922,060,809.91/33,420.63
  6. Step 6: Final answer
    x = 27,589.57

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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.