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Finding the Fourth Proportional to 44,569.93, 66,855 and 11,290

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Solution

The fourth proportional to 44,569.93, 66,855 and 11,290 is: 16,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,569.93 : 66,855 = 11,290 : x
  2. Step 2: Convert to fraction form
    44,569.93/66,855 = 11,290/x
  3. Step 3: Cross multiply
    44,569.93x = 66,855 × 11,290
  4. Step 4: Simplify right side
    44,569.93x = 754,792,950
  5. Step 5: Solve for x
    x = 754,792,950/44,569.93
  6. Step 6: Final answer
    x = 16,935.03

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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.