Home / 30,284.48-41,809.97-20,246.15

Finding the Fourth Proportional to 30,284.48, 41,809.97 and 20,246.15

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Solution

The fourth proportional to 30,284.48, 41,809.97 and 20,246.15 is: 27,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.48 : 41,809.97 = 20,246.15 : x
  2. Step 2: Convert to fraction form
    30,284.48/41,809.97 = 20,246.15/x
  3. Step 3: Cross multiply
    30,284.48x = 41,809.97 × 20,246.15
  4. Step 4: Simplify right side
    30,284.48x = 846,491,079.26
  5. Step 5: Solve for x
    x = 846,491,079.26/30,284.48
  6. Step 6: Final answer
    x = 27,951.31

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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.