Home / 30,934.46-46,396.52-8,742.76

Finding the Fourth Proportional to 30,934.46, 46,396.52 and 8,742.76

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Solution

The fourth proportional to 30,934.46, 46,396.52 and 8,742.76 is: 13,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,934.46 : 46,396.52 = 8,742.76 : x
  2. Step 2: Convert to fraction form
    30,934.46/46,396.52 = 8,742.76/x
  3. Step 3: Cross multiply
    30,934.46x = 46,396.52 × 8,742.76
  4. Step 4: Simplify right side
    30,934.46x = 405,633,639.20
  5. Step 5: Solve for x
    x = 405,633,639.20/30,934.46
  6. Step 6: Final answer
    x = 13,112.68

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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.