Home / 31,803.57-43,889.67-17,657.34

Finding the Fourth Proportional to 31,803.57, 43,889.67 and 17,657.34

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Solution

The fourth proportional to 31,803.57, 43,889.67 and 17,657.34 is: 24,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,803.57 : 43,889.67 = 17,657.34 : x
  2. Step 2: Convert to fraction form
    31,803.57/43,889.67 = 17,657.34/x
  3. Step 3: Cross multiply
    31,803.57x = 43,889.67 × 17,657.34
  4. Step 4: Simplify right side
    31,803.57x = 774,974,825.68
  5. Step 5: Solve for x
    x = 774,974,825.68/31,803.57
  6. Step 6: Final answer
    x = 24,367.54

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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.