Home / 35,217.26-52,872.82-20,436.78

Finding the Fourth Proportional to 35,217.26, 52,872.82 and 20,436.78

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Solution

The fourth proportional to 35,217.26, 52,872.82 and 20,436.78 is: 30,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,217.26 : 52,872.82 = 20,436.78 : x
  2. Step 2: Convert to fraction form
    35,217.26/52,872.82 = 20,436.78/x
  3. Step 3: Cross multiply
    35,217.26x = 52,872.82 × 20,436.78
  4. Step 4: Simplify right side
    35,217.26x = 1,080,550,190.32
  5. Step 5: Solve for x
    x = 1,080,550,190.32/35,217.26
  6. Step 6: Final answer
    x = 30,682.40

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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.