Home / 30,412.53-41,968.26-16,983.68

Finding the Fourth Proportional to 30,412.53, 41,968.26 and 16,983.68

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Solution

The fourth proportional to 30,412.53, 41,968.26 and 16,983.68 is: 23,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.53 : 41,968.26 = 16,983.68 : x
  2. Step 2: Convert to fraction form
    30,412.53/41,968.26 = 16,983.68/x
  3. Step 3: Cross multiply
    30,412.53x = 41,968.26 × 16,983.68
  4. Step 4: Simplify right side
    30,412.53x = 712,775,288.16
  5. Step 5: Solve for x
    x = 712,775,288.16/30,412.53
  6. Step 6: Final answer
    x = 23,436.90

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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.