Home / 31,171.09-43,015.44-17,023.99

Finding the Fourth Proportional to 31,171.09, 43,015.44 and 17,023.99

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Solution

The fourth proportional to 31,171.09, 43,015.44 and 17,023.99 is: 23,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.09 : 43,015.44 = 17,023.99 : x
  2. Step 2: Convert to fraction form
    31,171.09/43,015.44 = 17,023.99/x
  3. Step 3: Cross multiply
    31,171.09x = 43,015.44 × 17,023.99
  4. Step 4: Simplify right side
    31,171.09x = 732,294,420.41
  5. Step 5: Solve for x
    x = 732,294,420.41/31,171.09
  6. Step 6: Final answer
    x = 23,492.74

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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.