Home / 30,785.30-46,171.25-8,295.45

Finding the Fourth Proportional to 30,785.30, 46,171.25 and 8,295.45

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Solution

The fourth proportional to 30,785.30, 46,171.25 and 8,295.45 is: 12,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,785.30 : 46,171.25 = 8,295.45 : x
  2. Step 2: Convert to fraction form
    30,785.30/46,171.25 = 8,295.45/x
  3. Step 3: Cross multiply
    30,785.30x = 46,171.25 × 8,295.45
  4. Step 4: Simplify right side
    30,785.30x = 383,011,112.30
  5. Step 5: Solve for x
    x = 383,011,112.30/30,785.30
  6. Step 6: Final answer
    x = 12,441.36

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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.