Home / 30,413.92-45,623.59-10,692.65

Finding the Fourth Proportional to 30,413.92, 45,623.59 and 10,692.65

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Solution

The fourth proportional to 30,413.92, 45,623.59 and 10,692.65 is: 16,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.92 : 45,623.59 = 10,692.65 : x
  2. Step 2: Convert to fraction form
    30,413.92/45,623.59 = 10,692.65/x
  3. Step 3: Cross multiply
    30,413.92x = 45,623.59 × 10,692.65
  4. Step 4: Simplify right side
    30,413.92x = 487,837,079.61
  5. Step 5: Solve for x
    x = 487,837,079.61/30,413.92
  6. Step 6: Final answer
    x = 16,039.93

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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.