Home / 31,834.56-47,735.36-14,289.28

Finding the Fourth Proportional to 31,834.56, 47,735.36 and 14,289.28

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Solution

The fourth proportional to 31,834.56, 47,735.36 and 14,289.28 is: 21,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,834.56 : 47,735.36 = 14,289.28 : x
  2. Step 2: Convert to fraction form
    31,834.56/47,735.36 = 14,289.28/x
  3. Step 3: Cross multiply
    31,834.56x = 47,735.36 × 14,289.28
  4. Step 4: Simplify right side
    31,834.56x = 682,103,924.94
  5. Step 5: Solve for x
    x = 682,103,924.94/31,834.56
  6. Step 6: Final answer
    x = 21,426.52

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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.