Home / 30,483.26-42,073.49-18,550.44

Finding the Fourth Proportional to 30,483.26, 42,073.49 and 18,550.44

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Solution

The fourth proportional to 30,483.26, 42,073.49 and 18,550.44 is: 25,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483.26 : 42,073.49 = 18,550.44 : x
  2. Step 2: Convert to fraction form
    30,483.26/42,073.49 = 18,550.44/x
  3. Step 3: Cross multiply
    30,483.26x = 42,073.49 × 18,550.44
  4. Step 4: Simplify right side
    30,483.26x = 780,481,659.08
  5. Step 5: Solve for x
    x = 780,481,659.08/30,483.26
  6. Step 6: Final answer
    x = 25,603.62

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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.