Home / 61,705.18-92,566.82-19,571.21

Finding the Fourth Proportional to 61,705.18, 92,566.82 and 19,571.21

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Solution

The fourth proportional to 61,705.18, 92,566.82 and 19,571.21 is: 29,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,705.18 : 92,566.82 = 19,571.21 : x
  2. Step 2: Convert to fraction form
    61,705.18/92,566.82 = 19,571.21/x
  3. Step 3: Cross multiply
    61,705.18x = 92,566.82 × 19,571.21
  4. Step 4: Simplify right side
    61,705.18x = 1,811,644,673.25
  5. Step 5: Solve for x
    x = 1,811,644,673.25/61,705.18
  6. Step 6: Final answer
    x = 29,359.69

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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.