Home / 47,795.40-71,693.76-18,214.84

Finding the Fourth Proportional to 47,795.40, 71,693.76 and 18,214.84

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Solution

The fourth proportional to 47,795.40, 71,693.76 and 18,214.84 is: 27,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,795.40 : 71,693.76 = 18,214.84 : x
  2. Step 2: Convert to fraction form
    47,795.40/71,693.76 = 18,214.84/x
  3. Step 3: Cross multiply
    47,795.40x = 71,693.76 × 18,214.84
  4. Step 4: Simplify right side
    47,795.40x = 1,305,890,367.40
  5. Step 5: Solve for x
    x = 1,305,890,367.40/47,795.40
  6. Step 6: Final answer
    x = 27,322.51

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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.