Home / 32,849.80-45,336.27-20,111.56

Finding the Fourth Proportional to 32,849.80, 45,336.27 and 20,111.56

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Solution

The fourth proportional to 32,849.80, 45,336.27 and 20,111.56 is: 27,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,849.80 : 45,336.27 = 20,111.56 : x
  2. Step 2: Convert to fraction form
    32,849.80/45,336.27 = 20,111.56/x
  3. Step 3: Cross multiply
    32,849.80x = 45,336.27 × 20,111.56
  4. Step 4: Simplify right side
    32,849.80x = 911,783,076.36
  5. Step 5: Solve for x
    x = 911,783,076.36/32,849.80
  6. Step 6: Final answer
    x = 27,756.12

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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.