Home / 82,413.44-123,579.24-26,246.22

Finding the Fourth Proportional to 82,413.44, 123,579.24 and 26,246.22

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Solution

The fourth proportional to 82,413.44, 123,579.24 and 26,246.22 is: 39,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,413.44 : 123,579.24 = 26,246.22 : x
  2. Step 2: Convert to fraction form
    82,413.44/123,579.24 = 26,246.22/x
  3. Step 3: Cross multiply
    82,413.44x = 123,579.24 × 26,246.22
  4. Step 4: Simplify right side
    82,413.44x = 3,243,487,920.47
  5. Step 5: Solve for x
    x = 3,243,487,920.47/82,413.44
  6. Step 6: Final answer
    x = 39,356.30

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1.5x scale

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.