Home / 47,537.14-71,300.31-12,479.53

Finding the Fourth Proportional to 47,537.14, 71,300.31 and 12,479.53

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Solution

The fourth proportional to 47,537.14, 71,300.31 and 12,479.53 is: 18,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,537.14 : 71,300.31 = 12,479.53 : x
  2. Step 2: Convert to fraction form
    47,537.14/71,300.31 = 12,479.53/x
  3. Step 3: Cross multiply
    47,537.14x = 71,300.31 × 12,479.53
  4. Step 4: Simplify right side
    47,537.14x = 889,794,357.65
  5. Step 5: Solve for x
    x = 889,794,357.65/47,537.14
  6. Step 6: Final answer
    x = 18,717.88

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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.