Home / 35,940.20-53,911.90-12,247.40

Finding the Fourth Proportional to 35,940.20, 53,911.90 and 12,247.40

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Solution

The fourth proportional to 35,940.20, 53,911.90 and 12,247.40 is: 18,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,940.20 : 53,911.90 = 12,247.40 : x
  2. Step 2: Convert to fraction form
    35,940.20/53,911.90 = 12,247.40/x
  3. Step 3: Cross multiply
    35,940.20x = 53,911.90 × 12,247.40
  4. Step 4: Simplify right side
    35,940.20x = 660,280,604.06
  5. Step 5: Solve for x
    x = 660,280,604.06/35,940.20
  6. Step 6: Final answer
    x = 18,371.65

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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.