Home / 30,761.11-42,450.33-16,613.96

Finding the Fourth Proportional to 30,761.11, 42,450.33 and 16,613.96

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Solution

The fourth proportional to 30,761.11, 42,450.33 and 16,613.96 is: 22,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761.11 : 42,450.33 = 16,613.96 : x
  2. Step 2: Convert to fraction form
    30,761.11/42,450.33 = 16,613.96/x
  3. Step 3: Cross multiply
    30,761.11x = 42,450.33 × 16,613.96
  4. Step 4: Simplify right side
    30,761.11x = 705,268,084.61
  5. Step 5: Solve for x
    x = 705,268,084.61/30,761.11
  6. Step 6: Final answer
    x = 22,927.26

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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.