Home / 31,162.48-43,005.26-17,016.40

Finding the Fourth Proportional to 31,162.48, 43,005.26 and 17,016.40

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Solution

The fourth proportional to 31,162.48, 43,005.26 and 17,016.40 is: 23,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,162.48 : 43,005.26 = 17,016.40 : x
  2. Step 2: Convert to fraction form
    31,162.48/43,005.26 = 17,016.40/x
  3. Step 3: Cross multiply
    31,162.48x = 43,005.26 × 17,016.40
  4. Step 4: Simplify right side
    31,162.48x = 731,794,706.26
  5. Step 5: Solve for x
    x = 731,794,706.26/31,162.48
  6. Step 6: Final answer
    x = 23,483.20

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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.