Home / 31,440.96-43,388.46-17,293.77

Finding the Fourth Proportional to 31,440.96, 43,388.46 and 17,293.77

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Solution

The fourth proportional to 31,440.96, 43,388.46 and 17,293.77 is: 23,865.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.96 : 43,388.46 = 17,293.77 : x
  2. Step 2: Convert to fraction form
    31,440.96/43,388.46 = 17,293.77/x
  3. Step 3: Cross multiply
    31,440.96x = 43,388.46 × 17,293.77
  4. Step 4: Simplify right side
    31,440.96x = 750,350,047.89
  5. Step 5: Solve for x
    x = 750,350,047.89/31,440.96
  6. Step 6: Final answer
    x = 23,865.37

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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.