Home / 43,183.64-64,772.34-13,609.94

Finding the Fourth Proportional to 43,183.64, 64,772.34 and 13,609.94

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Solution

The fourth proportional to 43,183.64, 64,772.34 and 13,609.94 is: 20,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.64 : 64,772.34 = 13,609.94 : x
  2. Step 2: Convert to fraction form
    43,183.64/64,772.34 = 13,609.94/x
  3. Step 3: Cross multiply
    43,183.64x = 64,772.34 × 13,609.94
  4. Step 4: Simplify right side
    43,183.64x = 881,547,661.06
  5. Step 5: Solve for x
    x = 881,547,661.06/43,183.64
  6. Step 6: Final answer
    x = 20,413.93

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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.