Home / 34,783.80-52,137.30-19,212.60

Finding the Fourth Proportional to 34,783.80, 52,137.30 and 19,212.60

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Solution

The fourth proportional to 34,783.80, 52,137.30 and 19,212.60 is: 28,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,783.80 : 52,137.30 = 19,212.60 : x
  2. Step 2: Convert to fraction form
    34,783.80/52,137.30 = 19,212.60/x
  3. Step 3: Cross multiply
    34,783.80x = 52,137.30 × 19,212.60
  4. Step 4: Simplify right side
    34,783.80x = 1,001,693,089.98
  5. Step 5: Solve for x
    x = 1,001,693,089.98/34,783.80
  6. Step 6: Final answer
    x = 28,797.69

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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.