Home / 47,667.86-71,493.27-17,678.63

Finding the Fourth Proportional to 47,667.86, 71,493.27 and 17,678.63

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Solution

The fourth proportional to 47,667.86, 71,493.27 and 17,678.63 is: 26,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,667.86 : 71,493.27 = 17,678.63 : x
  2. Step 2: Convert to fraction form
    47,667.86/71,493.27 = 17,678.63/x
  3. Step 3: Cross multiply
    47,667.86x = 71,493.27 × 17,678.63
  4. Step 4: Simplify right side
    47,667.86x = 1,263,902,710.35
  5. Step 5: Solve for x
    x = 1,263,902,710.35/47,667.86
  6. Step 6: Final answer
    x = 26,514.78

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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.