Home / 47,073.62-70,610.38-12,013.28

Finding the Fourth Proportional to 47,073.62, 70,610.38 and 12,013.28

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Solution

The fourth proportional to 47,073.62, 70,610.38 and 12,013.28 is: 18,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,073.62 : 70,610.38 = 12,013.28 : x
  2. Step 2: Convert to fraction form
    47,073.62/70,610.38 = 12,013.28/x
  3. Step 3: Cross multiply
    47,073.62x = 70,610.38 × 12,013.28
  4. Step 4: Simplify right side
    47,073.62x = 848,262,205.78
  5. Step 5: Solve for x
    x = 848,262,205.78/47,073.62
  6. Step 6: Final answer
    x = 18,019.91

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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.