Home / 31,336.13-43,243.86-17,189.01

Finding the Fourth Proportional to 31,336.13, 43,243.86 and 17,189.01

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Solution

The fourth proportional to 31,336.13, 43,243.86 and 17,189.01 is: 23,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.13 : 43,243.86 = 17,189.01 : x
  2. Step 2: Convert to fraction form
    31,336.13/43,243.86 = 17,189.01/x
  3. Step 3: Cross multiply
    31,336.13x = 43,243.86 × 17,189.01
  4. Step 4: Simplify right side
    31,336.13x = 743,318,839.81
  5. Step 5: Solve for x
    x = 743,318,839.81/31,336.13
  6. Step 6: Final answer
    x = 23,720.83

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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.