Home / 32,112.91-48,164.37-12,388.60

Finding the Fourth Proportional to 32,112.91, 48,164.37 and 12,388.60

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Solution

The fourth proportional to 32,112.91, 48,164.37 and 12,388.60 is: 18,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,112.91 : 48,164.37 = 12,388.60 : x
  2. Step 2: Convert to fraction form
    32,112.91/48,164.37 = 12,388.60/x
  3. Step 3: Cross multiply
    32,112.91x = 48,164.37 × 12,388.60
  4. Step 4: Simplify right side
    32,112.91x = 596,689,114.18
  5. Step 5: Solve for x
    x = 596,689,114.18/32,112.91
  6. Step 6: Final answer
    x = 18,580.97

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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.