Home / 38,627.10-57,949.69-11,971.70

Finding the Fourth Proportional to 38,627.10, 57,949.69 and 11,971.70

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Solution

The fourth proportional to 38,627.10, 57,949.69 and 11,971.70 is: 17,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.10 : 57,949.69 = 11,971.70 : x
  2. Step 2: Convert to fraction form
    38,627.10/57,949.69 = 11,971.70/x
  3. Step 3: Cross multiply
    38,627.10x = 57,949.69 × 11,971.70
  4. Step 4: Simplify right side
    38,627.10x = 693,756,240.69
  5. Step 5: Solve for x
    x = 693,756,240.69/38,627.10
  6. Step 6: Final answer
    x = 17,960.35

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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.