Home / 31,709.88-47,579.58-14,191.56

Finding the Fourth Proportional to 31,709.88, 47,579.58 and 14,191.56

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Solution

The fourth proportional to 31,709.88, 47,579.58 and 14,191.56 is: 21,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.88 : 47,579.58 = 14,191.56 : x
  2. Step 2: Convert to fraction form
    31,709.88/47,579.58 = 14,191.56/x
  3. Step 3: Cross multiply
    31,709.88x = 47,579.58 × 14,191.56
  4. Step 4: Simplify right side
    31,709.88x = 675,228,464.34
  5. Step 5: Solve for x
    x = 675,228,464.34/31,709.88
  6. Step 6: Final answer
    x = 21,293.95

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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.