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Finding the Fourth Proportional to 44,643.72, 66,894.86 and 36,283.40

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Solution

The fourth proportional to 44,643.72, 66,894.86 and 36,283.40 is: 54,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,643.72 : 66,894.86 = 36,283.40 : x
  2. Step 2: Convert to fraction form
    44,643.72/66,894.86 = 36,283.40/x
  3. Step 3: Cross multiply
    44,643.72x = 66,894.86 × 36,283.40
  4. Step 4: Simplify right side
    44,643.72x = 2,427,172,963.32
  5. Step 5: Solve for x
    x = 2,427,172,963.32/44,643.72
  6. Step 6: Final answer
    x = 54,367.62

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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.