Home / 47,450.29-71,174.05-12,389.95

Finding the Fourth Proportional to 47,450.29, 71,174.05 and 12,389.95

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Solution

The fourth proportional to 47,450.29, 71,174.05 and 12,389.95 is: 18,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,450.29 : 71,174.05 = 12,389.95 : x
  2. Step 2: Convert to fraction form
    47,450.29/71,174.05 = 12,389.95/x
  3. Step 3: Cross multiply
    47,450.29x = 71,174.05 × 12,389.95
  4. Step 4: Simplify right side
    47,450.29x = 881,842,920.80
  5. Step 5: Solve for x
    x = 881,842,920.80/47,450.29
  6. Step 6: Final answer
    x = 18,584.56

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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.