Home / 47,308.54-70,968.30-15,721.42

Finding the Fourth Proportional to 47,308.54, 70,968.30 and 15,721.42

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Solution

The fourth proportional to 47,308.54, 70,968.30 and 15,721.42 is: 23,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,308.54 : 70,968.30 = 15,721.42 : x
  2. Step 2: Convert to fraction form
    47,308.54/70,968.30 = 15,721.42/x
  3. Step 3: Cross multiply
    47,308.54x = 70,968.30 × 15,721.42
  4. Step 4: Simplify right side
    47,308.54x = 1,115,722,450.99
  5. Step 5: Solve for x
    x = 1,115,722,450.99/47,308.54
  6. Step 6: Final answer
    x = 23,583.95

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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.