Home / 47,394.63-71,105.13-20,735.87

Finding the Fourth Proportional to 47,394.63, 71,105.13 and 20,735.87

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Solution

The fourth proportional to 47,394.63, 71,105.13 and 20,735.87 is: 31,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,394.63 : 71,105.13 = 20,735.87 : x
  2. Step 2: Convert to fraction form
    47,394.63/71,105.13 = 20,735.87/x
  3. Step 3: Cross multiply
    47,394.63x = 71,105.13 × 20,735.87
  4. Step 4: Simplify right side
    47,394.63x = 1,474,426,376.49
  5. Step 5: Solve for x
    x = 1,474,426,376.49/47,394.63
  6. Step 6: Final answer
    x = 31,109.57

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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.