Home / 47,986.86-71,964.69-15,957.32

Finding the Fourth Proportional to 47,986.86, 71,964.69 and 15,957.32

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Solution

The fourth proportional to 47,986.86, 71,964.69 and 15,957.32 is: 23,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986.86 : 71,964.69 = 15,957.32 : x
  2. Step 2: Convert to fraction form
    47,986.86/71,964.69 = 15,957.32/x
  3. Step 3: Cross multiply
    47,986.86x = 71,964.69 × 15,957.32
  4. Step 4: Simplify right side
    47,986.86x = 1,148,363,167.37
  5. Step 5: Solve for x
    x = 1,148,363,167.37/47,986.86
  6. Step 6: Final answer
    x = 23,930.78

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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.