Home / 33,391.56-46,078.60-18,281.32

Finding the Fourth Proportional to 33,391.56, 46,078.60 and 18,281.32

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Solution

The fourth proportional to 33,391.56, 46,078.60 and 18,281.32 is: 25,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,391.56 : 46,078.60 = 18,281.32 : x
  2. Step 2: Convert to fraction form
    33,391.56/46,078.60 = 18,281.32/x
  3. Step 3: Cross multiply
    33,391.56x = 46,078.60 × 18,281.32
  4. Step 4: Simplify right side
    33,391.56x = 842,377,631.75
  5. Step 5: Solve for x
    x = 842,377,631.75/33,391.56
  6. Step 6: Final answer
    x = 25,227.26

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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.