Home / 40,120.58-60,181.18-10,538.37

Finding the Fourth Proportional to 40,120.58, 60,181.18 and 10,538.37

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Solution

The fourth proportional to 40,120.58, 60,181.18 and 10,538.37 is: 15,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120.58 : 60,181.18 = 10,538.37 : x
  2. Step 2: Convert to fraction form
    40,120.58/60,181.18 = 10,538.37/x
  3. Step 3: Cross multiply
    40,120.58x = 60,181.18 × 10,538.37
  4. Step 4: Simplify right side
    40,120.58x = 634,211,515.53
  5. Step 5: Solve for x
    x = 634,211,515.53/40,120.58
  6. Step 6: Final answer
    x = 15,807.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.