Home / 30,301.96-41,817.60-16,690.48

Finding the Fourth Proportional to 30,301.96, 41,817.60 and 16,690.48

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Solution

The fourth proportional to 30,301.96, 41,817.60 and 16,690.48 is: 23,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.96 : 41,817.60 = 16,690.48 : x
  2. Step 2: Convert to fraction form
    30,301.96/41,817.60 = 16,690.48/x
  3. Step 3: Cross multiply
    30,301.96x = 41,817.60 × 16,690.48
  4. Step 4: Simplify right side
    30,301.96x = 697,955,816.45
  5. Step 5: Solve for x
    x = 697,955,816.45/30,301.96
  6. Step 6: Final answer
    x = 23,033.36

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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.