Home / 40,999.36-61,499.28-12,536.56

Finding the Fourth Proportional to 40,999.36, 61,499.28 and 12,536.56

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Solution

The fourth proportional to 40,999.36, 61,499.28 and 12,536.56 is: 18,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,999.36 : 61,499.28 = 12,536.56 : x
  2. Step 2: Convert to fraction form
    40,999.36/61,499.28 = 12,536.56/x
  3. Step 3: Cross multiply
    40,999.36x = 61,499.28 × 12,536.56
  4. Step 4: Simplify right side
    40,999.36x = 770,989,413.68
  5. Step 5: Solve for x
    x = 770,989,413.68/40,999.36
  6. Step 6: Final answer
    x = 18,804.91

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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.