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Finding the Fourth Proportional to 50,490, 69,675.27 and 27,520.02

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Solution

The fourth proportional to 50,490, 69,675.27 and 27,520.02 is: 37,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,490 : 69,675.27 = 27,520.02 : x
  2. Step 2: Convert to fraction form
    50,490/69,675.27 = 27,520.02/x
  3. Step 3: Cross multiply
    50,490x = 69,675.27 × 27,520.02
  4. Step 4: Simplify right side
    50,490x = 1,917,464,823.91
  5. Step 5: Solve for x
    x = 1,917,464,823.91/50,490
  6. Step 6: Final answer
    x = 37,977.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.