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Finding the Fourth Proportional to 30,462.66, 45,688.73 and 8,277.84

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Solution

The fourth proportional to 30,462.66, 45,688.73 and 8,277.84 is: 12,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,462.66 : 45,688.73 = 8,277.84 : x
  2. Step 2: Convert to fraction form
    30,462.66/45,688.73 = 8,277.84/x
  3. Step 3: Cross multiply
    30,462.66x = 45,688.73 × 8,277.84
  4. Step 4: Simplify right side
    30,462.66x = 378,203,955.35
  5. Step 5: Solve for x
    x = 378,203,955.35/30,462.66
  6. Step 6: Final answer
    x = 12,415.33

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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.