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Finding the Fourth Proportional to 30,364.56, 45,548.10 and 14,778.54

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Solution

The fourth proportional to 30,364.56, 45,548.10 and 14,778.54 is: 22,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.56 : 45,548.10 = 14,778.54 : x
  2. Step 2: Convert to fraction form
    30,364.56/45,548.10 = 14,778.54/x
  3. Step 3: Cross multiply
    30,364.56x = 45,548.10 × 14,778.54
  4. Step 4: Simplify right side
    30,364.56x = 673,134,417.77
  5. Step 5: Solve for x
    x = 673,134,417.77/30,364.56
  6. Step 6: Final answer
    x = 22,168.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.