Home / 47,389.71-71,084.66-12,329.31

Finding the Fourth Proportional to 47,389.71, 71,084.66 and 12,329.31

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Solution

The fourth proportional to 47,389.71, 71,084.66 and 12,329.31 is: 18,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.71 : 71,084.66 = 12,329.31 : x
  2. Step 2: Convert to fraction form
    47,389.71/71,084.66 = 12,329.31/x
  3. Step 3: Cross multiply
    47,389.71x = 71,084.66 × 12,329.31
  4. Step 4: Simplify right side
    47,389.71x = 876,424,809.38
  5. Step 5: Solve for x
    x = 876,424,809.38/47,389.71
  6. Step 6: Final answer
    x = 18,493.99

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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.