Home / 31,847.98-43,946.94-19,912.64

Finding the Fourth Proportional to 31,847.98, 43,946.94 and 19,912.64

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Solution

The fourth proportional to 31,847.98, 43,946.94 and 19,912.64 is: 27,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,847.98 : 43,946.94 = 19,912.64 : x
  2. Step 2: Convert to fraction form
    31,847.98/43,946.94 = 19,912.64/x
  3. Step 3: Cross multiply
    31,847.98x = 43,946.94 × 19,912.64
  4. Step 4: Simplify right side
    31,847.98x = 875,099,595.32
  5. Step 5: Solve for x
    x = 875,099,595.32/31,847.98
  6. Step 6: Final answer
    x = 27,477.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.