Home / 47,446.45-71,169.67-12,386.14

Finding the Fourth Proportional to 47,446.45, 71,169.67 and 12,386.14

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Solution

The fourth proportional to 47,446.45, 71,169.67 and 12,386.14 is: 18,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,446.45 : 71,169.67 = 12,386.14 : x
  2. Step 2: Convert to fraction form
    47,446.45/71,169.67 = 12,386.14/x
  3. Step 3: Cross multiply
    47,446.45x = 71,169.67 × 12,386.14
  4. Step 4: Simplify right side
    47,446.45x = 881,517,496.37
  5. Step 5: Solve for x
    x = 881,517,496.37/47,446.45
  6. Step 6: Final answer
    x = 18,579.21

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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.