Home / 47,678-65,795.64-26,460.68

Finding the Fourth Proportional to 47,678, 65,795.64 and 26,460.68

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Solution

The fourth proportional to 47,678, 65,795.64 and 26,460.68 is: 36,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678 : 65,795.64 = 26,460.68 : x
  2. Step 2: Convert to fraction form
    47,678/65,795.64 = 26,460.68/x
  3. Step 3: Cross multiply
    47,678x = 65,795.64 × 26,460.68
  4. Step 4: Simplify right side
    47,678x = 1,740,997,375.44
  5. Step 5: Solve for x
    x = 1,740,997,375.44/47,678
  6. Step 6: Final answer
    x = 36,515.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.