Home / 31,100.44-46,648.74-12,631.96

Finding the Fourth Proportional to 31,100.44, 46,648.74 and 12,631.96

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Solution

The fourth proportional to 31,100.44, 46,648.74 and 12,631.96 is: 18,947.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100.44 : 46,648.74 = 12,631.96 : x
  2. Step 2: Convert to fraction form
    31,100.44/46,648.74 = 12,631.96/x
  3. Step 3: Cross multiply
    31,100.44x = 46,648.74 × 12,631.96
  4. Step 4: Simplify right side
    31,100.44x = 589,265,017.73
  5. Step 5: Solve for x
    x = 589,265,017.73/31,100.44
  6. Step 6: Final answer
    x = 18,947.16

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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.