Home / 31,120.39-46,674.18-8,928.85

Finding the Fourth Proportional to 31,120.39, 46,674.18 and 8,928.85

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Solution

The fourth proportional to 31,120.39, 46,674.18 and 8,928.85 is: 13,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120.39 : 46,674.18 = 8,928.85 : x
  2. Step 2: Convert to fraction form
    31,120.39/46,674.18 = 8,928.85/x
  3. Step 3: Cross multiply
    31,120.39x = 46,674.18 × 8,928.85
  4. Step 4: Simplify right side
    31,120.39x = 416,746,752.09
  5. Step 5: Solve for x
    x = 416,746,752.09/31,120.39
  6. Step 6: Final answer
    x = 13,391.44

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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.