Home / 31,415.34-43,353.19-17,269.10

Finding the Fourth Proportional to 31,415.34, 43,353.19 and 17,269.10

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Solution

The fourth proportional to 31,415.34, 43,353.19 and 17,269.10 is: 23,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.34 : 43,353.19 = 17,269.10 : x
  2. Step 2: Convert to fraction form
    31,415.34/43,353.19 = 17,269.10/x
  3. Step 3: Cross multiply
    31,415.34x = 43,353.19 × 17,269.10
  4. Step 4: Simplify right side
    31,415.34x = 748,670,540.82
  5. Step 5: Solve for x
    x = 748,670,540.82/31,415.34
  6. Step 6: Final answer
    x = 23,831.37

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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.