Home / 31,181.70-46,766.94-8,989.63

Finding the Fourth Proportional to 31,181.70, 46,766.94 and 8,989.63

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Solution

The fourth proportional to 31,181.70, 46,766.94 and 8,989.63 is: 13,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.70 : 46,766.94 = 8,989.63 : x
  2. Step 2: Convert to fraction form
    31,181.70/46,766.94 = 8,989.63/x
  3. Step 3: Cross multiply
    31,181.70x = 46,766.94 × 8,989.63
  4. Step 4: Simplify right side
    31,181.70x = 420,417,336.20
  5. Step 5: Solve for x
    x = 420,417,336.20/31,181.70
  6. Step 6: Final answer
    x = 13,482.82

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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.