Home / 31,170.09-43,014.06-17,022.99

Finding the Fourth Proportional to 31,170.09, 43,014.06 and 17,022.99

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Solution

The fourth proportional to 31,170.09, 43,014.06 and 17,022.99 is: 23,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.09 : 43,014.06 = 17,022.99 : x
  2. Step 2: Convert to fraction form
    31,170.09/43,014.06 = 17,022.99/x
  3. Step 3: Cross multiply
    31,170.09x = 43,014.06 × 17,022.99
  4. Step 4: Simplify right side
    31,170.09x = 732,227,913.24
  5. Step 5: Solve for x
    x = 732,227,913.24/31,170.09
  6. Step 6: Final answer
    x = 23,491.36

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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.