Home / 34,800.03-48,012.99-20,455.27

Finding the Fourth Proportional to 34,800.03, 48,012.99 and 20,455.27

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Solution

The fourth proportional to 34,800.03, 48,012.99 and 20,455.27 is: 28,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,800.03 : 48,012.99 = 20,455.27 : x
  2. Step 2: Convert to fraction form
    34,800.03/48,012.99 = 20,455.27/x
  3. Step 3: Cross multiply
    34,800.03x = 48,012.99 × 20,455.27
  4. Step 4: Simplify right side
    34,800.03x = 982,118,477.22
  5. Step 5: Solve for x
    x = 982,118,477.22/34,800.03
  6. Step 6: Final answer
    x = 28,221.77

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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.