Home / 35,121.58-52,599.14-20,136.85

Finding the Fourth Proportional to 35,121.58, 52,599.14 and 20,136.85

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Solution

The fourth proportional to 35,121.58, 52,599.14 and 20,136.85 is: 30,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.58 : 52,599.14 = 20,136.85 : x
  2. Step 2: Convert to fraction form
    35,121.58/52,599.14 = 20,136.85/x
  3. Step 3: Cross multiply
    35,121.58x = 52,599.14 × 20,136.85
  4. Step 4: Simplify right side
    35,121.58x = 1,059,180,628.63
  5. Step 5: Solve for x
    x = 1,059,180,628.63/35,121.58
  6. Step 6: Final answer
    x = 30,157.55

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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.