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Finding the Fourth Proportional to 35,325.84, 48,749.81 and 19,410.60

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Solution

The fourth proportional to 35,325.84, 48,749.81 and 19,410.60 is: 26,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,325.84 : 48,749.81 = 19,410.60 : x
  2. Step 2: Convert to fraction form
    35,325.84/48,749.81 = 19,410.60/x
  3. Step 3: Cross multiply
    35,325.84x = 48,749.81 × 19,410.60
  4. Step 4: Simplify right side
    35,325.84x = 946,262,964.93
  5. Step 5: Solve for x
    x = 946,262,964.93/35,325.84
  6. Step 6: Final answer
    x = 26,786.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.