Home / 39,299.85-58,940.87-11,219.45

Finding the Fourth Proportional to 39,299.85, 58,940.87 and 11,219.45

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Solution

The fourth proportional to 39,299.85, 58,940.87 and 11,219.45 is: 16,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.85 : 58,940.87 = 11,219.45 : x
  2. Step 2: Convert to fraction form
    39,299.85/58,940.87 = 11,219.45/x
  3. Step 3: Cross multiply
    39,299.85x = 58,940.87 × 11,219.45
  4. Step 4: Simplify right side
    39,299.85x = 661,283,793.12
  5. Step 5: Solve for x
    x = 661,283,793.12/39,299.85
  6. Step 6: Final answer
    x = 16,826.62

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1.5x scale

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.