Home / 43,318.62-64,979.67-13,735.80

Finding the Fourth Proportional to 43,318.62, 64,979.67 and 13,735.80

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Solution

The fourth proportional to 43,318.62, 64,979.67 and 13,735.80 is: 20,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,318.62 : 64,979.67 = 13,735.80 : x
  2. Step 2: Convert to fraction form
    43,318.62/64,979.67 = 13,735.80/x
  3. Step 3: Cross multiply
    43,318.62x = 64,979.67 × 13,735.80
  4. Step 4: Simplify right side
    43,318.62x = 892,547,751.19
  5. Step 5: Solve for x
    x = 892,547,751.19/43,318.62
  6. Step 6: Final answer
    x = 20,604.25

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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.