Home / 31,183.07-46,763.59-8,990.46

Finding the Fourth Proportional to 31,183.07, 46,763.59 and 8,990.46

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Solution

The fourth proportional to 31,183.07, 46,763.59 and 8,990.46 is: 13,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.07 : 46,763.59 = 8,990.46 : x
  2. Step 2: Convert to fraction form
    31,183.07/46,763.59 = 8,990.46/x
  3. Step 3: Cross multiply
    31,183.07x = 46,763.59 × 8,990.46
  4. Step 4: Simplify right side
    31,183.07x = 420,426,185.35
  5. Step 5: Solve for x
    x = 420,426,185.35/31,183.07
  6. Step 6: Final answer
    x = 13,482.51

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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.