Home / 47,873.80-71,815.61-18,316.49

Finding the Fourth Proportional to 47,873.80, 71,815.61 and 18,316.49

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Solution

The fourth proportional to 47,873.80, 71,815.61 and 18,316.49 is: 27,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,873.80 : 71,815.61 = 18,316.49 : x
  2. Step 2: Convert to fraction form
    47,873.80/71,815.61 = 18,316.49/x
  3. Step 3: Cross multiply
    47,873.80x = 71,815.61 × 18,316.49
  4. Step 4: Simplify right side
    47,873.80x = 1,315,409,990.37
  5. Step 5: Solve for x
    x = 1,315,409,990.37/47,873.80
  6. Step 6: Final answer
    x = 27,476.62

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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.