Home / 30,358.48-41,896.84-16,930.64

Finding the Fourth Proportional to 30,358.48, 41,896.84 and 16,930.64

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Solution

The fourth proportional to 30,358.48, 41,896.84 and 16,930.64 is: 23,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.48 : 41,896.84 = 16,930.64 : x
  2. Step 2: Convert to fraction form
    30,358.48/41,896.84 = 16,930.64/x
  3. Step 3: Cross multiply
    30,358.48x = 41,896.84 × 16,930.64
  4. Step 4: Simplify right side
    30,358.48x = 709,340,315.18
  5. Step 5: Solve for x
    x = 709,340,315.18/30,358.48
  6. Step 6: Final answer
    x = 23,365.48

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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.