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Finding the Fourth Proportional to 39,269, 58,904.04 and 21,773

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Solution

The fourth proportional to 39,269, 58,904.04 and 21,773 is: 32,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,269 : 58,904.04 = 21,773 : x
  2. Step 2: Convert to fraction form
    39,269/58,904.04 = 21,773/x
  3. Step 3: Cross multiply
    39,269x = 58,904.04 × 21,773
  4. Step 4: Simplify right side
    39,269x = 1,282,517,662.92
  5. Step 5: Solve for x
    x = 1,282,517,662.92/39,269
  6. Step 6: Final answer
    x = 32,659.80

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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.