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Finding the Fourth Proportional to 29,321.55, 43,972.99 and 9,594.81

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Solution

The fourth proportional to 29,321.55, 43,972.99 and 9,594.81 is: 14,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.55 : 43,972.99 = 9,594.81 : x
  2. Step 2: Convert to fraction form
    29,321.55/43,972.99 = 9,594.81/x
  3. Step 3: Cross multiply
    29,321.55x = 43,972.99 × 9,594.81
  4. Step 4: Simplify right side
    29,321.55x = 421,912,484.18
  5. Step 5: Solve for x
    x = 421,912,484.18/29,321.55
  6. Step 6: Final answer
    x = 14,389.16

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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.