Home / 29,402.48-40,576.20-16,831.28

Finding the Fourth Proportional to 29,402.48, 40,576.20 and 16,831.28

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Solution

The fourth proportional to 29,402.48, 40,576.20 and 16,831.28 is: 23,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,402.48 : 40,576.20 = 16,831.28 : x
  2. Step 2: Convert to fraction form
    29,402.48/40,576.20 = 16,831.28/x
  3. Step 3: Cross multiply
    29,402.48x = 40,576.20 × 16,831.28
  4. Step 4: Simplify right side
    29,402.48x = 682,949,383.54
  5. Step 5: Solve for x
    x = 682,949,383.54/29,402.48
  6. Step 6: Final answer
    x = 23,227.61

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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.