Home / 34,747.10-47,951.27-18,831.50

Finding the Fourth Proportional to 34,747.10, 47,951.27 and 18,831.50

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Solution

The fourth proportional to 34,747.10, 47,951.27 and 18,831.50 is: 25,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.10 : 47,951.27 = 18,831.50 : x
  2. Step 2: Convert to fraction form
    34,747.10/47,951.27 = 18,831.50/x
  3. Step 3: Cross multiply
    34,747.10x = 47,951.27 × 18,831.50
  4. Step 4: Simplify right side
    34,747.10x = 902,994,341.01
  5. Step 5: Solve for x
    x = 902,994,341.01/34,747.10
  6. Step 6: Final answer
    x = 25,987.62

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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.