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Finding the Fourth Proportional to 29,419.63, 44,129.44 and 8,643.13

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Solution

The fourth proportional to 29,419.63, 44,129.44 and 8,643.13 is: 12,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.63 : 44,129.44 = 8,643.13 : x
  2. Step 2: Convert to fraction form
    29,419.63/44,129.44 = 8,643.13/x
  3. Step 3: Cross multiply
    29,419.63x = 44,129.44 × 8,643.13
  4. Step 4: Simplify right side
    29,419.63x = 381,416,486.75
  5. Step 5: Solve for x
    x = 381,416,486.75/29,419.63
  6. Step 6: Final answer
    x = 12,964.69

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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.