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Finding the Fourth Proportional to 29,886.56, 44,844.96 and 12,368.96

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Solution

The fourth proportional to 29,886.56, 44,844.96 and 12,368.96 is: 18,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,886.56 : 44,844.96 = 12,368.96 : x
  2. Step 2: Convert to fraction form
    29,886.56/44,844.96 = 12,368.96/x
  3. Step 3: Cross multiply
    29,886.56x = 44,844.96 × 12,368.96
  4. Step 4: Simplify right side
    29,886.56x = 554,685,516.44
  5. Step 5: Solve for x
    x = 554,685,516.44/29,886.56
  6. Step 6: Final answer
    x = 18,559.70

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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.