Home / 30,390.03-41,940.33-16,963.91

Finding the Fourth Proportional to 30,390.03, 41,940.33 and 16,963.91

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Solution

The fourth proportional to 30,390.03, 41,940.33 and 16,963.91 is: 23,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,390.03 : 41,940.33 = 16,963.91 : x
  2. Step 2: Convert to fraction form
    30,390.03/41,940.33 = 16,963.91/x
  3. Step 3: Cross multiply
    30,390.03x = 41,940.33 × 16,963.91
  4. Step 4: Simplify right side
    30,390.03x = 711,471,773.79
  5. Step 5: Solve for x
    x = 711,471,773.79/30,390.03
  6. Step 6: Final answer
    x = 23,411.36

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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.