Home / 33,057-45,621.09-20,484.18

Finding the Fourth Proportional to 33,057, 45,621.09 and 20,484.18

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Solution

The fourth proportional to 33,057, 45,621.09 and 20,484.18 is: 28,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,057 : 45,621.09 = 20,484.18 : x
  2. Step 2: Convert to fraction form
    33,057/45,621.09 = 20,484.18/x
  3. Step 3: Cross multiply
    33,057x = 45,621.09 × 20,484.18
  4. Step 4: Simplify right side
    33,057x = 934,510,619.36
  5. Step 5: Solve for x
    x = 934,510,619.36/33,057
  6. Step 6: Final answer
    x = 28,269.67

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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.