Home / 40,379.25-60,571.31-12,677.25

Finding the Fourth Proportional to 40,379.25, 60,571.31 and 12,677.25

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Solution

The fourth proportional to 40,379.25, 60,571.31 and 12,677.25 is: 19,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.25 : 60,571.31 = 12,677.25 : x
  2. Step 2: Convert to fraction form
    40,379.25/60,571.31 = 12,677.25/x
  3. Step 3: Cross multiply
    40,379.25x = 60,571.31 × 12,677.25
  4. Step 4: Simplify right side
    40,379.25x = 767,877,576.31
  5. Step 5: Solve for x
    x = 767,877,576.31/40,379.25
  6. Step 6: Final answer
    x = 19,016.64

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1.5x scale

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.