Home / 47,211.74-70,828.61-15,620.52

Finding the Fourth Proportional to 47,211.74, 70,828.61 and 15,620.52

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Solution

The fourth proportional to 47,211.74, 70,828.61 and 15,620.52 is: 23,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.74 : 70,828.61 = 15,620.52 : x
  2. Step 2: Convert to fraction form
    47,211.74/70,828.61 = 15,620.52/x
  3. Step 3: Cross multiply
    47,211.74x = 70,828.61 × 15,620.52
  4. Step 4: Simplify right side
    47,211.74x = 1,106,379,640.97
  5. Step 5: Solve for x
    x = 1,106,379,640.97/47,211.74
  6. Step 6: Final answer
    x = 23,434.42

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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.