Home / 31,961.51-47,942.25-9,774.89

Finding the Fourth Proportional to 31,961.51, 47,942.25 and 9,774.89

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Solution

The fourth proportional to 31,961.51, 47,942.25 and 9,774.89 is: 14,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.51 : 47,942.25 = 9,774.89 : x
  2. Step 2: Convert to fraction form
    31,961.51/47,942.25 = 9,774.89/x
  3. Step 3: Cross multiply
    31,961.51x = 47,942.25 × 9,774.89
  4. Step 4: Simplify right side
    31,961.51x = 468,630,220.10
  5. Step 5: Solve for x
    x = 468,630,220.10/31,961.51
  6. Step 6: Final answer
    x = 14,662.33

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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.