Home / 47,578.82-71,390.38-21,301.34

Finding the Fourth Proportional to 47,578.82, 71,390.38 and 21,301.34

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Solution

The fourth proportional to 47,578.82, 71,390.38 and 21,301.34 is: 31,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.82 : 71,390.38 = 21,301.34 : x
  2. Step 2: Convert to fraction form
    47,578.82/71,390.38 = 21,301.34/x
  3. Step 3: Cross multiply
    47,578.82x = 71,390.38 × 21,301.34
  4. Step 4: Simplify right side
    47,578.82x = 1,520,710,757.11
  5. Step 5: Solve for x
    x = 1,520,710,757.11/47,578.82
  6. Step 6: Final answer
    x = 31,961.93

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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.