Home / 32,741.20-45,181.65-20,015.70

Finding the Fourth Proportional to 32,741.20, 45,181.65 and 20,015.70

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Solution

The fourth proportional to 32,741.20, 45,181.65 and 20,015.70 is: 27,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,741.20 : 45,181.65 = 20,015.70 : x
  2. Step 2: Convert to fraction form
    32,741.20/45,181.65 = 20,015.70/x
  3. Step 3: Cross multiply
    32,741.20x = 45,181.65 × 20,015.70
  4. Step 4: Simplify right side
    32,741.20x = 904,342,351.91
  5. Step 5: Solve for x
    x = 904,342,351.91/32,741.20
  6. Step 6: Final answer
    x = 27,620.93

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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.