Home / 47,926.20-71,888.94-12,384.48

Finding the Fourth Proportional to 47,926.20, 71,888.94 and 12,384.48

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Solution

The fourth proportional to 47,926.20, 71,888.94 and 12,384.48 is: 18,576.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,926.20 : 71,888.94 = 12,384.48 : x
  2. Step 2: Convert to fraction form
    47,926.20/71,888.94 = 12,384.48/x
  3. Step 3: Cross multiply
    47,926.20x = 71,888.94 × 12,384.48
  4. Step 4: Simplify right side
    47,926.20x = 890,307,139.65
  5. Step 5: Solve for x
    x = 890,307,139.65/47,926.20
  6. Step 6: Final answer
    x = 18,576.63

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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.