Home / 47,081.70-70,622.46-12,021.30

Finding the Fourth Proportional to 47,081.70, 70,622.46 and 12,021.30

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Solution

The fourth proportional to 47,081.70, 70,622.46 and 12,021.30 is: 18,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,081.70 : 70,622.46 = 12,021.30 : x
  2. Step 2: Convert to fraction form
    47,081.70/70,622.46 = 12,021.30/x
  3. Step 3: Cross multiply
    47,081.70x = 70,622.46 × 12,021.30
  4. Step 4: Simplify right side
    47,081.70x = 848,973,778.40
  5. Step 5: Solve for x
    x = 848,973,778.40/47,081.70
  6. Step 6: Final answer
    x = 18,031.93

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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.