Home / 47,231.20-70,858.41-13,951.09

Finding the Fourth Proportional to 47,231.20, 70,858.41 and 13,951.09

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Solution

The fourth proportional to 47,231.20, 70,858.41 and 13,951.09 is: 20,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,231.20 : 70,858.41 = 13,951.09 : x
  2. Step 2: Convert to fraction form
    47,231.20/70,858.41 = 13,951.09/x
  3. Step 3: Cross multiply
    47,231.20x = 70,858.41 × 13,951.09
  4. Step 4: Simplify right side
    47,231.20x = 988,552,055.17
  5. Step 5: Solve for x
    x = 988,552,055.17/47,231.20
  6. Step 6: Final answer
    x = 20,930.06

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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.