Home / 47,072.80-70,609.16-12,012.46

Finding the Fourth Proportional to 47,072.80, 70,609.16 and 12,012.46

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Solution

The fourth proportional to 47,072.80, 70,609.16 and 12,012.46 is: 18,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,072.80 : 70,609.16 = 12,012.46 : x
  2. Step 2: Convert to fraction form
    47,072.80/70,609.16 = 12,012.46/x
  3. Step 3: Cross multiply
    47,072.80x = 70,609.16 × 12,012.46
  4. Step 4: Simplify right side
    47,072.80x = 848,189,710.13
  5. Step 5: Solve for x
    x = 848,189,710.13/47,072.80
  6. Step 6: Final answer
    x = 18,018.68

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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.