Home / 30,403.19-41,957.42-16,974.60

Finding the Fourth Proportional to 30,403.19, 41,957.42 and 16,974.60

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Solution

The fourth proportional to 30,403.19, 41,957.42 and 16,974.60 is: 23,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.19 : 41,957.42 = 16,974.60 : x
  2. Step 2: Convert to fraction form
    30,403.19/41,957.42 = 16,974.60/x
  3. Step 3: Cross multiply
    30,403.19x = 41,957.42 × 16,974.60
  4. Step 4: Simplify right side
    30,403.19x = 712,210,336.66
  5. Step 5: Solve for x
    x = 712,210,336.66/30,403.19
  6. Step 6: Final answer
    x = 23,425.52

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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.