Home / 31,239.96-43,112.20-17,092.80

Finding the Fourth Proportional to 31,239.96, 43,112.20 and 17,092.80

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Solution

The fourth proportional to 31,239.96, 43,112.20 and 17,092.80 is: 23,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.96 : 43,112.20 = 17,092.80 : x
  2. Step 2: Convert to fraction form
    31,239.96/43,112.20 = 17,092.80/x
  3. Step 3: Cross multiply
    31,239.96x = 43,112.20 × 17,092.80
  4. Step 4: Simplify right side
    31,239.96x = 736,908,212.16
  5. Step 5: Solve for x
    x = 736,908,212.16/31,239.96
  6. Step 6: Final answer
    x = 23,588.64

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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.