Home / 32,910.06-45,412.82-20,157.42

Finding the Fourth Proportional to 32,910.06, 45,412.82 and 20,157.42

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Solution

The fourth proportional to 32,910.06, 45,412.82 and 20,157.42 is: 27,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,910.06 : 45,412.82 = 20,157.42 : x
  2. Step 2: Convert to fraction form
    32,910.06/45,412.82 = 20,157.42/x
  3. Step 3: Cross multiply
    32,910.06x = 45,412.82 × 20,157.42
  4. Step 4: Simplify right side
    32,910.06x = 915,405,286.12
  5. Step 5: Solve for x
    x = 915,405,286.12/32,910.06
  6. Step 6: Final answer
    x = 27,815.36

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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.