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Finding the Fourth Proportional to 44,053, 66,066.54 and 12,880.84

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Solution

The fourth proportional to 44,053, 66,066.54 and 12,880.84 is: 19,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,053 : 66,066.54 = 12,880.84 : x
  2. Step 2: Convert to fraction form
    44,053/66,066.54 = 12,880.84/x
  3. Step 3: Cross multiply
    44,053x = 66,066.54 × 12,880.84
  4. Step 4: Simplify right side
    44,053x = 850,992,531.09
  5. Step 5: Solve for x
    x = 850,992,531.09/44,053
  6. Step 6: Final answer
    x = 19,317.47

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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.