Home / 31,265.51-43,147.49-17,118.45

Finding the Fourth Proportional to 31,265.51, 43,147.49 and 17,118.45

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Solution

The fourth proportional to 31,265.51, 43,147.49 and 17,118.45 is: 23,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.51 : 43,147.49 = 17,118.45 : x
  2. Step 2: Convert to fraction form
    31,265.51/43,147.49 = 17,118.45/x
  3. Step 3: Cross multiply
    31,265.51x = 43,147.49 × 17,118.45
  4. Step 4: Simplify right side
    31,265.51x = 738,618,064.60
  5. Step 5: Solve for x
    x = 738,618,064.60/31,265.51
  6. Step 6: Final answer
    x = 23,624.06

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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.