Home / 31,774.32-47,660.94-12,054.36

Finding the Fourth Proportional to 31,774.32, 47,660.94 and 12,054.36

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Solution

The fourth proportional to 31,774.32, 47,660.94 and 12,054.36 is: 18,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.32 : 47,660.94 = 12,054.36 : x
  2. Step 2: Convert to fraction form
    31,774.32/47,660.94 = 12,054.36/x
  3. Step 3: Cross multiply
    31,774.32x = 47,660.94 × 12,054.36
  4. Step 4: Simplify right side
    31,774.32x = 574,522,128.70
  5. Step 5: Solve for x
    x = 574,522,128.70/31,774.32
  6. Step 6: Final answer
    x = 18,081.34

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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.