Home / 32,161.15-48,243.62-12,439.81

Finding the Fourth Proportional to 32,161.15, 48,243.62 and 12,439.81

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Solution

The fourth proportional to 32,161.15, 48,243.62 and 12,439.81 is: 18,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,161.15 : 48,243.62 = 12,439.81 : x
  2. Step 2: Convert to fraction form
    32,161.15/48,243.62 = 12,439.81/x
  3. Step 3: Cross multiply
    32,161.15x = 48,243.62 × 12,439.81
  4. Step 4: Simplify right side
    32,161.15x = 600,141,466.51
  5. Step 5: Solve for x
    x = 600,141,466.51/32,161.15
  6. Step 6: Final answer
    x = 18,660.45

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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.