Home / 47,188.78-70,771.83-13,899.85

Finding the Fourth Proportional to 47,188.78, 70,771.83 and 13,899.85

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Solution

The fourth proportional to 47,188.78, 70,771.83 and 13,899.85 is: 20,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,188.78 : 70,771.83 = 13,899.85 : x
  2. Step 2: Convert to fraction form
    47,188.78/70,771.83 = 13,899.85/x
  3. Step 3: Cross multiply
    47,188.78x = 70,771.83 × 13,899.85
  4. Step 4: Simplify right side
    47,188.78x = 983,717,821.23
  5. Step 5: Solve for x
    x = 983,717,821.23/47,188.78
  6. Step 6: Final answer
    x = 20,846.43

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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.