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Finding the Fourth Proportional to 34,544.87, 51,801.81 and 15,831.03

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Solution

The fourth proportional to 34,544.87, 51,801.81 and 15,831.03 is: 23,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,544.87 : 51,801.81 = 15,831.03 : x
  2. Step 2: Convert to fraction form
    34,544.87/51,801.81 = 15,831.03/x
  3. Step 3: Cross multiply
    34,544.87x = 51,801.81 × 15,831.03
  4. Step 4: Simplify right side
    34,544.87x = 820,076,008.16
  5. Step 5: Solve for x
    x = 820,076,008.16/34,544.87
  6. Step 6: Final answer
    x = 23,739.44

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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.