Home / 33,074.64-45,643.72-18,171.60

Finding the Fourth Proportional to 33,074.64, 45,643.72 and 18,171.60

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Solution

The fourth proportional to 33,074.64, 45,643.72 and 18,171.60 is: 25,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,074.64 : 45,643.72 = 18,171.60 : x
  2. Step 2: Convert to fraction form
    33,074.64/45,643.72 = 18,171.60/x
  3. Step 3: Cross multiply
    33,074.64x = 45,643.72 × 18,171.60
  4. Step 4: Simplify right side
    33,074.64x = 829,419,422.35
  5. Step 5: Solve for x
    x = 829,419,422.35/33,074.64
  6. Step 6: Final answer
    x = 25,077.20

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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.