Home / 37,396.40-56,056.20-20,730.80

Finding the Fourth Proportional to 37,396.40, 56,056.20 and 20,730.80

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Solution

The fourth proportional to 37,396.40, 56,056.20 and 20,730.80 is: 31,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,396.40 : 56,056.20 = 20,730.80 : x
  2. Step 2: Convert to fraction form
    37,396.40/56,056.20 = 20,730.80/x
  3. Step 3: Cross multiply
    37,396.40x = 56,056.20 × 20,730.80
  4. Step 4: Simplify right side
    37,396.40x = 1,162,089,870.96
  5. Step 5: Solve for x
    x = 1,162,089,870.96/37,396.40
  6. Step 6: Final answer
    x = 31,074.91

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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.