Home / 43,289.38-64,940.92-18,329.58

Finding the Fourth Proportional to 43,289.38, 64,940.92 and 18,329.58

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Solution

The fourth proportional to 43,289.38, 64,940.92 and 18,329.58 is: 27,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.38 : 64,940.92 = 18,329.58 : x
  2. Step 2: Convert to fraction form
    43,289.38/64,940.92 = 18,329.58/x
  3. Step 3: Cross multiply
    43,289.38x = 64,940.92 × 18,329.58
  4. Step 4: Simplify right side
    43,289.38x = 1,190,339,788.41
  5. Step 5: Solve for x
    x = 1,190,339,788.41/43,289.38
  6. Step 6: Final answer
    x = 27,497.27

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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.