Home / 31,961.48-47,942.32-9,774.76

Finding the Fourth Proportional to 31,961.48, 47,942.32 and 9,774.76

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Solution

The fourth proportional to 31,961.48, 47,942.32 and 9,774.76 is: 14,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.48 : 47,942.32 = 9,774.76 : x
  2. Step 2: Convert to fraction form
    31,961.48/47,942.32 = 9,774.76/x
  3. Step 3: Cross multiply
    31,961.48x = 47,942.32 × 9,774.76
  4. Step 4: Simplify right side
    31,961.48x = 468,624,671.84
  5. Step 5: Solve for x
    x = 468,624,671.84/31,961.48
  6. Step 6: Final answer
    x = 14,662.17

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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.