Home / 35,539.44-49,039.60-20,226.28

Finding the Fourth Proportional to 35,539.44, 49,039.60 and 20,226.28

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Solution

The fourth proportional to 35,539.44, 49,039.60 and 20,226.28 is: 27,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,539.44 : 49,039.60 = 20,226.28 : x
  2. Step 2: Convert to fraction form
    35,539.44/49,039.60 = 20,226.28/x
  3. Step 3: Cross multiply
    35,539.44x = 49,039.60 × 20,226.28
  4. Step 4: Simplify right side
    35,539.44x = 991,888,680.69
  5. Step 5: Solve for x
    x = 991,888,680.69/35,539.44
  6. Step 6: Final answer
    x = 27,909.52

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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.