Home / 37,742.96-56,611.17-12,782.48

Finding the Fourth Proportional to 37,742.96, 56,611.17 and 12,782.48

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Solution

The fourth proportional to 37,742.96, 56,611.17 and 12,782.48 is: 19,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,742.96 : 56,611.17 = 12,782.48 : x
  2. Step 2: Convert to fraction form
    37,742.96/56,611.17 = 12,782.48/x
  3. Step 3: Cross multiply
    37,742.96x = 56,611.17 × 12,782.48
  4. Step 4: Simplify right side
    37,742.96x = 723,631,148.30
  5. Step 5: Solve for x
    x = 723,631,148.30/37,742.96
  6. Step 6: Final answer
    x = 19,172.61

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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.