Home / 30,215.52-41,694.96-16,785.12

Finding the Fourth Proportional to 30,215.52, 41,694.96 and 16,785.12

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Solution

The fourth proportional to 30,215.52, 41,694.96 and 16,785.12 is: 23,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.52 : 41,694.96 = 16,785.12 : x
  2. Step 2: Convert to fraction form
    30,215.52/41,694.96 = 16,785.12/x
  3. Step 3: Cross multiply
    30,215.52x = 41,694.96 × 16,785.12
  4. Step 4: Simplify right side
    30,215.52x = 699,854,907.00
  5. Step 5: Solve for x
    x = 699,854,907.00/30,215.52
  6. Step 6: Final answer
    x = 23,162.10

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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.