Home / 53,963.81-80,952.51-18,431.85

Finding the Fourth Proportional to 53,963.81, 80,952.51 and 18,431.85

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Solution

The fourth proportional to 53,963.81, 80,952.51 and 18,431.85 is: 27,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,963.81 : 80,952.51 = 18,431.85 : x
  2. Step 2: Convert to fraction form
    53,963.81/80,952.51 = 18,431.85/x
  3. Step 3: Cross multiply
    53,963.81x = 80,952.51 × 18,431.85
  4. Step 4: Simplify right side
    53,963.81x = 1,492,104,521.44
  5. Step 5: Solve for x
    x = 1,492,104,521.44/53,963.81
  6. Step 6: Final answer
    x = 27,650.10

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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.