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Finding the Fourth Proportional to 63,474.19, 95,211.63 and 19,100.64

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Solution

The fourth proportional to 63,474.19, 95,211.63 and 19,100.64 is: 28,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,474.19 : 95,211.63 = 19,100.64 : x
  2. Step 2: Convert to fraction form
    63,474.19/95,211.63 = 19,100.64/x
  3. Step 3: Cross multiply
    63,474.19x = 95,211.63 × 19,100.64
  4. Step 4: Simplify right side
    63,474.19x = 1,818,603,371.77
  5. Step 5: Solve for x
    x = 1,818,603,371.77/63,474.19
  6. Step 6: Final answer
    x = 28,651.07

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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.