Home / 34,588.62-47,731.64-21,158.88

Finding the Fourth Proportional to 34,588.62, 47,731.64 and 21,158.88

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Solution

The fourth proportional to 34,588.62, 47,731.64 and 21,158.88 is: 29,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,588.62 : 47,731.64 = 21,158.88 : x
  2. Step 2: Convert to fraction form
    34,588.62/47,731.64 = 21,158.88/x
  3. Step 3: Cross multiply
    34,588.62x = 47,731.64 × 21,158.88
  4. Step 4: Simplify right side
    34,588.62x = 1,009,948,042.96
  5. Step 5: Solve for x
    x = 1,009,948,042.96/34,588.62
  6. Step 6: Final answer
    x = 29,198.85

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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.