Home / 30,398.54-41,951.67-16,969.91

Finding the Fourth Proportional to 30,398.54, 41,951.67 and 16,969.91

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Solution

The fourth proportional to 30,398.54, 41,951.67 and 16,969.91 is: 23,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,398.54 : 41,951.67 = 16,969.91 : x
  2. Step 2: Convert to fraction form
    30,398.54/41,951.67 = 16,969.91/x
  3. Step 3: Cross multiply
    30,398.54x = 41,951.67 × 16,969.91
  4. Step 4: Simplify right side
    30,398.54x = 711,915,886.31
  5. Step 5: Solve for x
    x = 711,915,886.31/30,398.54
  6. Step 6: Final answer
    x = 23,419.41

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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.