Home / 40,815.82-61,207.02-12,726.36

Finding the Fourth Proportional to 40,815.82, 61,207.02 and 12,726.36

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Solution

The fourth proportional to 40,815.82, 61,207.02 and 12,726.36 is: 19,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.82 : 61,207.02 = 12,726.36 : x
  2. Step 2: Convert to fraction form
    40,815.82/61,207.02 = 12,726.36/x
  3. Step 3: Cross multiply
    40,815.82x = 61,207.02 × 12,726.36
  4. Step 4: Simplify right side
    40,815.82x = 778,942,571.05
  5. Step 5: Solve for x
    x = 778,942,571.05/40,815.82
  6. Step 6: Final answer
    x = 19,084.33

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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.