Home / 31,441.78-47,146.44-9,252.28

Finding the Fourth Proportional to 31,441.78, 47,146.44 and 9,252.28

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Solution

The fourth proportional to 31,441.78, 47,146.44 and 9,252.28 is: 13,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.78 : 47,146.44 = 9,252.28 : x
  2. Step 2: Convert to fraction form
    31,441.78/47,146.44 = 9,252.28/x
  3. Step 3: Cross multiply
    31,441.78x = 47,146.44 × 9,252.28
  4. Step 4: Simplify right side
    31,441.78x = 436,212,063.88
  5. Step 5: Solve for x
    x = 436,212,063.88/31,441.78
  6. Step 6: Final answer
    x = 13,873.64

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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.