Home / 30,761.13-42,450.36-16,613.97

Finding the Fourth Proportional to 30,761.13, 42,450.36 and 16,613.97

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Solution

The fourth proportional to 30,761.13, 42,450.36 and 16,613.97 is: 22,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761.13 : 42,450.36 = 16,613.97 : x
  2. Step 2: Convert to fraction form
    30,761.13/42,450.36 = 16,613.97/x
  3. Step 3: Cross multiply
    30,761.13x = 42,450.36 × 16,613.97
  4. Step 4: Simplify right side
    30,761.13x = 705,269,007.53
  5. Step 5: Solve for x
    x = 705,269,007.53/30,761.13
  6. Step 6: Final answer
    x = 22,927.28

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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.