Home / 30,831.89-46,173.31-17,644.28

Finding the Fourth Proportional to 30,831.89, 46,173.31 and 17,644.28

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Solution

The fourth proportional to 30,831.89, 46,173.31 and 17,644.28 is: 26,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831.89 : 46,173.31 = 17,644.28 : x
  2. Step 2: Convert to fraction form
    30,831.89/46,173.31 = 17,644.28/x
  3. Step 3: Cross multiply
    30,831.89x = 46,173.31 × 17,644.28
  4. Step 4: Simplify right side
    30,831.89x = 814,694,535.19
  5. Step 5: Solve for x
    x = 814,694,535.19/30,831.89
  6. Step 6: Final answer
    x = 26,423.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.