Home / 30,935.41-46,391.56-12,209.22

Finding the Fourth Proportional to 30,935.41, 46,391.56 and 12,209.22

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Solution

The fourth proportional to 30,935.41, 46,391.56 and 12,209.22 is: 18,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.41 : 46,391.56 = 12,209.22 : x
  2. Step 2: Convert to fraction form
    30,935.41/46,391.56 = 12,209.22/x
  3. Step 3: Cross multiply
    30,935.41x = 46,391.56 × 12,209.22
  4. Step 4: Simplify right side
    30,935.41x = 566,404,731.66
  5. Step 5: Solve for x
    x = 566,404,731.66/30,935.41
  6. Step 6: Final answer
    x = 18,309.27

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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.