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Finding the Fourth Proportional to 32,233.73, 48,349.83 and 18,990.71

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Solution

The fourth proportional to 32,233.73, 48,349.83 and 18,990.71 is: 28,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,233.73 : 48,349.83 = 18,990.71 : x
  2. Step 2: Convert to fraction form
    32,233.73/48,349.83 = 18,990.71/x
  3. Step 3: Cross multiply
    32,233.73x = 48,349.83 × 18,990.71
  4. Step 4: Simplify right side
    32,233.73x = 918,197,600.08
  5. Step 5: Solve for x
    x = 918,197,600.08/32,233.73
  6. Step 6: Final answer
    x = 28,485.61

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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.