Home / 39,940.68-55,118.32-22,035.68

Finding the Fourth Proportional to 39,940.68, 55,118.32 and 22,035.68

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Solution

The fourth proportional to 39,940.68, 55,118.32 and 22,035.68 is: 30,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.68 : 55,118.32 = 22,035.68 : x
  2. Step 2: Convert to fraction form
    39,940.68/55,118.32 = 22,035.68/x
  3. Step 3: Cross multiply
    39,940.68x = 55,118.32 × 22,035.68
  4. Step 4: Simplify right side
    39,940.68x = 1,214,569,661.66
  5. Step 5: Solve for x
    x = 1,214,569,661.66/39,940.68
  6. Step 6: Final answer
    x = 30,409.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.