Home / 33,420.50-46,120.30-19,992.32

Finding the Fourth Proportional to 33,420.50, 46,120.30 and 19,992.32

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Solution

The fourth proportional to 33,420.50, 46,120.30 and 19,992.32 is: 27,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.50 : 46,120.30 = 19,992.32 : x
  2. Step 2: Convert to fraction form
    33,420.50/46,120.30 = 19,992.32/x
  3. Step 3: Cross multiply
    33,420.50x = 46,120.30 × 19,992.32
  4. Step 4: Simplify right side
    33,420.50x = 922,051,796.10
  5. Step 5: Solve for x
    x = 922,051,796.10/33,420.50
  6. Step 6: Final answer
    x = 27,589.41

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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.