Home / 33,427.37-46,128.78-18,319.70

Finding the Fourth Proportional to 33,427.37, 46,128.78 and 18,319.70

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Solution

The fourth proportional to 33,427.37, 46,128.78 and 18,319.70 is: 25,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,427.37 : 46,128.78 = 18,319.70 : x
  2. Step 2: Convert to fraction form
    33,427.37/46,128.78 = 18,319.70/x
  3. Step 3: Cross multiply
    33,427.37x = 46,128.78 × 18,319.70
  4. Step 4: Simplify right side
    33,427.37x = 845,065,180.32
  5. Step 5: Solve for x
    x = 845,065,180.32/33,427.37
  6. Step 6: Final answer
    x = 25,280.64

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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.