Home / 82,413.30-123,628.98-26,240.21

Finding the Fourth Proportional to 82,413.30, 123,628.98 and 26,240.21

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Solution

The fourth proportional to 82,413.30, 123,628.98 and 26,240.21 is: 39,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,413.30 : 123,628.98 = 26,240.21 : x
  2. Step 2: Convert to fraction form
    82,413.30/123,628.98 = 26,240.21/x
  3. Step 3: Cross multiply
    82,413.30x = 123,628.98 × 26,240.21
  4. Step 4: Simplify right side
    82,413.30x = 3,244,049,779.14
  5. Step 5: Solve for x
    x = 3,244,049,779.14/82,413.30
  6. Step 6: Final answer
    x = 39,363.18

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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.