Home / 31,102.20-46,639.26-8,910.50

Finding the Fourth Proportional to 31,102.20, 46,639.26 and 8,910.50

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Solution

The fourth proportional to 31,102.20, 46,639.26 and 8,910.50 is: 13,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102.20 : 46,639.26 = 8,910.50 : x
  2. Step 2: Convert to fraction form
    31,102.20/46,639.26 = 8,910.50/x
  3. Step 3: Cross multiply
    31,102.20x = 46,639.26 × 8,910.50
  4. Step 4: Simplify right side
    31,102.20x = 415,578,893.03
  5. Step 5: Solve for x
    x = 415,578,893.03/31,102.20
  6. Step 6: Final answer
    x = 13,361.72

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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.