Home / 31,400.45-47,037.03-14,509.44

Finding the Fourth Proportional to 31,400.45, 47,037.03 and 14,509.44

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Solution

The fourth proportional to 31,400.45, 47,037.03 and 14,509.44 is: 21,734.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.45 : 47,037.03 = 14,509.44 : x
  2. Step 2: Convert to fraction form
    31,400.45/47,037.03 = 14,509.44/x
  3. Step 3: Cross multiply
    31,400.45x = 47,037.03 × 14,509.44
  4. Step 4: Simplify right side
    31,400.45x = 682,480,964.56
  5. Step 5: Solve for x
    x = 682,480,964.56/31,400.45
  6. Step 6: Final answer
    x = 21,734.75

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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.