Home / 30,769.98-46,135.26-12,995.83

Finding the Fourth Proportional to 30,769.98, 46,135.26 and 12,995.83

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Solution

The fourth proportional to 30,769.98, 46,135.26 and 12,995.83 is: 19,485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.98 : 46,135.26 = 12,995.83 : x
  2. Step 2: Convert to fraction form
    30,769.98/46,135.26 = 12,995.83/x
  3. Step 3: Cross multiply
    30,769.98x = 46,135.26 × 12,995.83
  4. Step 4: Simplify right side
    30,769.98x = 599,565,700.31
  5. Step 5: Solve for x
    x = 599,565,700.31/30,769.98
  6. Step 6: Final answer
    x = 19,485.41

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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.