Home / 33,657.12-50,486.40-18,829.20

Finding the Fourth Proportional to 33,657.12, 50,486.40 and 18,829.20

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Solution

The fourth proportional to 33,657.12, 50,486.40 and 18,829.20 is: 28,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,657.12 : 50,486.40 = 18,829.20 : x
  2. Step 2: Convert to fraction form
    33,657.12/50,486.40 = 18,829.20/x
  3. Step 3: Cross multiply
    33,657.12x = 50,486.40 × 18,829.20
  4. Step 4: Simplify right side
    33,657.12x = 950,618,522.88
  5. Step 5: Solve for x
    x = 950,618,522.88/33,657.12
  6. Step 6: Final answer
    x = 28,244.20

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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.