Home / 61,811.40-92,724.35-19,676.72

Finding the Fourth Proportional to 61,811.40, 92,724.35 and 19,676.72

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Solution

The fourth proportional to 61,811.40, 92,724.35 and 19,676.72 is: 29,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,811.40 : 92,724.35 = 19,676.72 : x
  2. Step 2: Convert to fraction form
    61,811.40/92,724.35 = 19,676.72/x
  3. Step 3: Cross multiply
    61,811.40x = 92,724.35 × 19,676.72
  4. Step 4: Simplify right side
    61,811.40x = 1,824,511,205.56
  5. Step 5: Solve for x
    x = 1,824,511,205.56/61,811.40
  6. Step 6: Final answer
    x = 29,517.39

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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.