Home / 32,145.36-48,222.66-12,162.36

Finding the Fourth Proportional to 32,145.36, 48,222.66 and 12,162.36

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Solution

The fourth proportional to 32,145.36, 48,222.66 and 12,162.36 is: 18,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,145.36 : 48,222.66 = 12,162.36 : x
  2. Step 2: Convert to fraction form
    32,145.36/48,222.66 = 12,162.36/x
  3. Step 3: Cross multiply
    32,145.36x = 48,222.66 × 12,162.36
  4. Step 4: Simplify right side
    32,145.36x = 586,501,351.08
  5. Step 5: Solve for x
    x = 586,501,351.08/32,145.36
  6. Step 6: Final answer
    x = 18,245.29

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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.