Home / 33,999.18-46,899.32-21,230.19

Finding the Fourth Proportional to 33,999.18, 46,899.32 and 21,230.19

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Solution

The fourth proportional to 33,999.18, 46,899.32 and 21,230.19 is: 29,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.18 : 46,899.32 = 21,230.19 : x
  2. Step 2: Convert to fraction form
    33,999.18/46,899.32 = 21,230.19/x
  3. Step 3: Cross multiply
    33,999.18x = 46,899.32 × 21,230.19
  4. Step 4: Simplify right side
    33,999.18x = 995,681,474.47
  5. Step 5: Solve for x
    x = 995,681,474.47/33,999.18
  6. Step 6: Final answer
    x = 29,285.46

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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.