Home / 30,942.51-46,418.63-12,222.64

Finding the Fourth Proportional to 30,942.51, 46,418.63 and 12,222.64

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Solution

The fourth proportional to 30,942.51, 46,418.63 and 12,222.64 is: 18,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.51 : 46,418.63 = 12,222.64 : x
  2. Step 2: Convert to fraction form
    30,942.51/46,418.63 = 12,222.64/x
  3. Step 3: Cross multiply
    30,942.51x = 46,418.63 × 12,222.64
  4. Step 4: Simplify right side
    30,942.51x = 567,357,910.58
  5. Step 5: Solve for x
    x = 567,357,910.58/30,942.51
  6. Step 6: Final answer
    x = 18,335.88

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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.