Home / 40,112.32-60,149.58-12,021.52

Finding the Fourth Proportional to 40,112.32, 60,149.58 and 12,021.52

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Solution

The fourth proportional to 40,112.32, 60,149.58 and 12,021.52 is: 18,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.32 : 60,149.58 = 12,021.52 : x
  2. Step 2: Convert to fraction form
    40,112.32/60,149.58 = 12,021.52/x
  3. Step 3: Cross multiply
    40,112.32x = 60,149.58 × 12,021.52
  4. Step 4: Simplify right side
    40,112.32x = 723,089,378.96
  5. Step 5: Solve for x
    x = 723,089,378.96/40,112.32
  6. Step 6: Final answer
    x = 18,026.62

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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.