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Finding the Fourth Proportional to 43,569, 65,345.16 and 16,914.99

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Solution

The fourth proportional to 43,569, 65,345.16 and 16,914.99 is: 25,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,569 : 65,345.16 = 16,914.99 : x
  2. Step 2: Convert to fraction form
    43,569/65,345.16 = 16,914.99/x
  3. Step 3: Cross multiply
    43,569x = 65,345.16 × 16,914.99
  4. Step 4: Simplify right side
    43,569x = 1,105,312,727.95
  5. Step 5: Solve for x
    x = 1,105,312,727.95/43,569
  6. Step 6: Final answer
    x = 25,369.25

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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.