Home / 30,234.18-45,361.66-13,605.86

Finding the Fourth Proportional to 30,234.18, 45,361.66 and 13,605.86

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Solution

The fourth proportional to 30,234.18, 45,361.66 and 13,605.86 is: 20,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.18 : 45,361.66 = 13,605.86 : x
  2. Step 2: Convert to fraction form
    30,234.18/45,361.66 = 13,605.86/x
  3. Step 3: Cross multiply
    30,234.18x = 45,361.66 × 13,605.86
  4. Step 4: Simplify right side
    30,234.18x = 617,184,395.33
  5. Step 5: Solve for x
    x = 617,184,395.33/30,234.18
  6. Step 6: Final answer
    x = 20,413.47

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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.