Home / 30,412.17-41,964.01-16,982.78

Finding the Fourth Proportional to 30,412.17, 41,964.01 and 16,982.78

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Solution

The fourth proportional to 30,412.17, 41,964.01 and 16,982.78 is: 23,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.17 : 41,964.01 = 16,982.78 : x
  2. Step 2: Convert to fraction form
    30,412.17/41,964.01 = 16,982.78/x
  3. Step 3: Cross multiply
    30,412.17x = 41,964.01 × 16,982.78
  4. Step 4: Simplify right side
    30,412.17x = 712,665,297.47
  5. Step 5: Solve for x
    x = 712,665,297.47/30,412.17
  6. Step 6: Final answer
    x = 23,433.56

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1.5x scale

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.