Home / 47,429.56-71,129.06-26,379.64

Finding the Fourth Proportional to 47,429.56, 71,129.06 and 26,379.64

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Solution

The fourth proportional to 47,429.56, 71,129.06 and 26,379.64 is: 39,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,429.56 : 71,129.06 = 26,379.64 : x
  2. Step 2: Convert to fraction form
    47,429.56/71,129.06 = 26,379.64/x
  3. Step 3: Cross multiply
    47,429.56x = 71,129.06 × 26,379.64
  4. Step 4: Simplify right side
    47,429.56x = 1,876,358,996.34
  5. Step 5: Solve for x
    x = 1,876,358,996.34/47,429.56
  6. Step 6: Final answer
    x = 39,560.96

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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.