Home / 31,388.46-43,316.26-17,048.36

Finding the Fourth Proportional to 31,388.46, 43,316.26 and 17,048.36

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Solution

The fourth proportional to 31,388.46, 43,316.26 and 17,048.36 is: 23,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.46 : 43,316.26 = 17,048.36 : x
  2. Step 2: Convert to fraction form
    31,388.46/43,316.26 = 17,048.36/x
  3. Step 3: Cross multiply
    31,388.46x = 43,316.26 × 17,048.36
  4. Step 4: Simplify right side
    31,388.46x = 738,471,194.33
  5. Step 5: Solve for x
    x = 738,471,194.33/31,388.46
  6. Step 6: Final answer
    x = 23,526.84

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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.