Home / 32,168.79-48,247.51-12,431.12

Finding the Fourth Proportional to 32,168.79, 48,247.51 and 12,431.12

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Solution

The fourth proportional to 32,168.79, 48,247.51 and 12,431.12 is: 18,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,168.79 : 48,247.51 = 12,431.12 : x
  2. Step 2: Convert to fraction form
    32,168.79/48,247.51 = 12,431.12/x
  3. Step 3: Cross multiply
    32,168.79x = 48,247.51 × 12,431.12
  4. Step 4: Simplify right side
    32,168.79x = 599,770,586.51
  5. Step 5: Solve for x
    x = 599,770,586.51/32,168.79
  6. Step 6: Final answer
    x = 18,644.49

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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.