Home / 34,747.54-47,951.64-18,831.98

Finding the Fourth Proportional to 34,747.54, 47,951.64 and 18,831.98

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Solution

The fourth proportional to 34,747.54, 47,951.64 and 18,831.98 is: 25,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.54 : 47,951.64 = 18,831.98 : x
  2. Step 2: Convert to fraction form
    34,747.54/47,951.64 = 18,831.98/x
  3. Step 3: Cross multiply
    34,747.54x = 47,951.64 × 18,831.98
  4. Step 4: Simplify right side
    34,747.54x = 903,024,325.45
  5. Step 5: Solve for x
    x = 903,024,325.45/34,747.54
  6. Step 6: Final answer
    x = 25,988.15

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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.