Home / 32,690.93-48,989.60-18,621.92

Finding the Fourth Proportional to 32,690.93, 48,989.60 and 18,621.92

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Solution

The fourth proportional to 32,690.93, 48,989.60 and 18,621.92 is: 27,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.93 : 48,989.60 = 18,621.92 : x
  2. Step 2: Convert to fraction form
    32,690.93/48,989.60 = 18,621.92/x
  3. Step 3: Cross multiply
    32,690.93x = 48,989.60 × 18,621.92
  4. Step 4: Simplify right side
    32,690.93x = 912,280,288.04
  5. Step 5: Solve for x
    x = 912,280,288.04/32,690.93
  6. Step 6: Final answer
    x = 27,906.22

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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.