Home / 40,413.15-55,770.09-22,509.72

Finding the Fourth Proportional to 40,413.15, 55,770.09 and 22,509.72

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Solution

The fourth proportional to 40,413.15, 55,770.09 and 22,509.72 is: 31,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,413.15 : 55,770.09 = 22,509.72 : x
  2. Step 2: Convert to fraction form
    40,413.15/55,770.09 = 22,509.72/x
  3. Step 3: Cross multiply
    40,413.15x = 55,770.09 × 22,509.72
  4. Step 4: Simplify right side
    40,413.15x = 1,255,369,025.86
  5. Step 5: Solve for x
    x = 1,255,369,025.86/40,413.15
  6. Step 6: Final answer
    x = 31,063.38

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1.5x scale

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.