Home / 33,434.36-50,157.88-13,445.40

Finding the Fourth Proportional to 33,434.36, 50,157.88 and 13,445.40

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Solution

The fourth proportional to 33,434.36, 50,157.88 and 13,445.40 is: 20,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,434.36 : 50,157.88 = 13,445.40 : x
  2. Step 2: Convert to fraction form
    33,434.36/50,157.88 = 13,445.40/x
  3. Step 3: Cross multiply
    33,434.36x = 50,157.88 × 13,445.40
  4. Step 4: Simplify right side
    33,434.36x = 674,392,759.75
  5. Step 5: Solve for x
    x = 674,392,759.75/33,434.36
  6. Step 6: Final answer
    x = 20,170.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.