Home / 39,039.94-58,550.55-10,961.20

Finding the Fourth Proportional to 39,039.94, 58,550.55 and 10,961.20

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Solution

The fourth proportional to 39,039.94, 58,550.55 and 10,961.20 is: 16,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,039.94 : 58,550.55 = 10,961.20 : x
  2. Step 2: Convert to fraction form
    39,039.94/58,550.55 = 10,961.20/x
  3. Step 3: Cross multiply
    39,039.94x = 58,550.55 × 10,961.20
  4. Step 4: Simplify right side
    39,039.94x = 641,784,288.66
  5. Step 5: Solve for x
    x = 641,784,288.66/39,039.94
  6. Step 6: Final answer
    x = 16,439.17

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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.