Home / 30,758.39-42,446.58-16,611.24

Finding the Fourth Proportional to 30,758.39, 42,446.58 and 16,611.24

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Solution

The fourth proportional to 30,758.39, 42,446.58 and 16,611.24 is: 22,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758.39 : 42,446.58 = 16,611.24 : x
  2. Step 2: Convert to fraction form
    30,758.39/42,446.58 = 16,611.24/x
  3. Step 3: Cross multiply
    30,758.39x = 42,446.58 × 16,611.24
  4. Step 4: Simplify right side
    30,758.39x = 705,090,327.56
  5. Step 5: Solve for x
    x = 705,090,327.56/30,758.39
  6. Step 6: Final answer
    x = 22,923.51

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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.