Home / 30,170.21-45,240.71-17,694.32

Finding the Fourth Proportional to 30,170.21, 45,240.71 and 17,694.32

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Solution

The fourth proportional to 30,170.21, 45,240.71 and 17,694.32 is: 26,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.21 : 45,240.71 = 17,694.32 : x
  2. Step 2: Convert to fraction form
    30,170.21/45,240.71 = 17,694.32/x
  3. Step 3: Cross multiply
    30,170.21x = 45,240.71 × 17,694.32
  4. Step 4: Simplify right side
    30,170.21x = 800,503,624.40
  5. Step 5: Solve for x
    x = 800,503,624.40/30,170.21
  6. Step 6: Final answer
    x = 26,532.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.