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Finding the Fourth Proportional to 67,353.09, 101,029.16 and 19,968.39

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Solution

The fourth proportional to 67,353.09, 101,029.16 and 19,968.39 is: 29,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,353.09 : 101,029.16 = 19,968.39 : x
  2. Step 2: Convert to fraction form
    67,353.09/101,029.16 = 19,968.39/x
  3. Step 3: Cross multiply
    67,353.09x = 101,029.16 × 19,968.39
  4. Step 4: Simplify right side
    67,353.09x = 2,017,389,568.41
  5. Step 5: Solve for x
    x = 2,017,389,568.41/67,353.09
  6. Step 6: Final answer
    x = 29,952.44

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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.