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Finding the Fourth Proportional to 59,955.62, 89,912.32 and 19,963.75

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Solution

The fourth proportional to 59,955.62, 89,912.32 and 19,963.75 is: 29,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,955.62 : 89,912.32 = 19,963.75 : x
  2. Step 2: Convert to fraction form
    59,955.62/89,912.32 = 19,963.75/x
  3. Step 3: Cross multiply
    59,955.62x = 89,912.32 × 19,963.75
  4. Step 4: Simplify right side
    59,955.62x = 1,794,987,078.40
  5. Step 5: Solve for x
    x = 1,794,987,078.40/59,955.62
  6. Step 6: Final answer
    x = 29,938.60

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1.5x scale

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.