Home / 31,893.92-47,844.14-12,189.06

Finding the Fourth Proportional to 31,893.92, 47,844.14 and 12,189.06

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Solution

The fourth proportional to 31,893.92, 47,844.14 and 12,189.06 is: 18,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893.92 : 47,844.14 = 12,189.06 : x
  2. Step 2: Convert to fraction form
    31,893.92/47,844.14 = 12,189.06/x
  3. Step 3: Cross multiply
    31,893.92x = 47,844.14 × 12,189.06
  4. Step 4: Simplify right side
    31,893.92x = 583,175,093.11
  5. Step 5: Solve for x
    x = 583,175,093.11/31,893.92
  6. Step 6: Final answer
    x = 18,284.84

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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.