Home / 47,966.61-71,919.17-19,906.03

Finding the Fourth Proportional to 47,966.61, 71,919.17 and 19,906.03

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Solution

The fourth proportional to 47,966.61, 71,919.17 and 19,906.03 is: 29,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,966.61 : 71,919.17 = 19,906.03 : x
  2. Step 2: Convert to fraction form
    47,966.61/71,919.17 = 19,906.03/x
  3. Step 3: Cross multiply
    47,966.61x = 71,919.17 × 19,906.03
  4. Step 4: Simplify right side
    47,966.61x = 1,431,624,962.35
  5. Step 5: Solve for x
    x = 1,431,624,962.35/47,966.61
  6. Step 6: Final answer
    x = 29,846.28

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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.