Home / 47,429.38-71,144.06-12,368.94

Finding the Fourth Proportional to 47,429.38, 71,144.06 and 12,368.94

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Solution

The fourth proportional to 47,429.38, 71,144.06 and 12,368.94 is: 18,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,429.38 : 71,144.06 = 12,368.94 : x
  2. Step 2: Convert to fraction form
    47,429.38/71,144.06 = 12,368.94/x
  3. Step 3: Cross multiply
    47,429.38x = 71,144.06 × 12,368.94
  4. Step 4: Simplify right side
    47,429.38x = 879,976,609.50
  5. Step 5: Solve for x
    x = 879,976,609.50/47,429.38
  6. Step 6: Final answer
    x = 18,553.41

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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.