Home / 49,779.84-68,694.30-28,561.08

Finding the Fourth Proportional to 49,779.84, 68,694.30 and 28,561.08

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Solution

The fourth proportional to 49,779.84, 68,694.30 and 28,561.08 is: 39,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,779.84 : 68,694.30 = 28,561.08 : x
  2. Step 2: Convert to fraction form
    49,779.84/68,694.30 = 28,561.08/x
  3. Step 3: Cross multiply
    49,779.84x = 68,694.30 × 28,561.08
  4. Step 4: Simplify right side
    49,779.84x = 1,961,983,397.84
  5. Step 5: Solve for x
    x = 1,961,983,397.84/49,779.84
  6. Step 6: Final answer
    x = 39,413.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.