Home / 47,927.20-71,898.72-21,631.36

Finding the Fourth Proportional to 47,927.20, 71,898.72 and 21,631.36

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Solution

The fourth proportional to 47,927.20, 71,898.72 and 21,631.36 is: 32,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,927.20 : 71,898.72 = 21,631.36 : x
  2. Step 2: Convert to fraction form
    47,927.20/71,898.72 = 21,631.36/x
  3. Step 3: Cross multiply
    47,927.20x = 71,898.72 × 21,631.36
  4. Step 4: Simplify right side
    47,927.20x = 1,555,267,095.86
  5. Step 5: Solve for x
    x = 1,555,267,095.86/47,927.20
  6. Step 6: Final answer
    x = 32,450.61

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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.