Home / 35,271.56-48,675.78-20,166.44

Finding the Fourth Proportional to 35,271.56, 48,675.78 and 20,166.44

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Solution

The fourth proportional to 35,271.56, 48,675.78 and 20,166.44 is: 27,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,271.56 : 48,675.78 = 20,166.44 : x
  2. Step 2: Convert to fraction form
    35,271.56/48,675.78 = 20,166.44/x
  3. Step 3: Cross multiply
    35,271.56x = 48,675.78 × 20,166.44
  4. Step 4: Simplify right side
    35,271.56x = 981,617,196.82
  5. Step 5: Solve for x
    x = 981,617,196.82/35,271.56
  6. Step 6: Final answer
    x = 27,830.27

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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.