Home / 31,739.37-47,592.64-13,962.70

Finding the Fourth Proportional to 31,739.37, 47,592.64 and 13,962.70

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Solution

The fourth proportional to 31,739.37, 47,592.64 and 13,962.70 is: 20,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.37 : 47,592.64 = 13,962.70 : x
  2. Step 2: Convert to fraction form
    31,739.37/47,592.64 = 13,962.70/x
  3. Step 3: Cross multiply
    31,739.37x = 47,592.64 × 13,962.70
  4. Step 4: Simplify right side
    31,739.37x = 664,521,754.53
  5. Step 5: Solve for x
    x = 664,521,754.53/31,739.37
  6. Step 6: Final answer
    x = 20,936.83

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1.5x scale

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.