Home / 39,940.35-55,117.69-22,035.40

Finding the Fourth Proportional to 39,940.35, 55,117.69 and 22,035.40

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Solution

The fourth proportional to 39,940.35, 55,117.69 and 22,035.40 is: 30,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.35 : 55,117.69 = 22,035.40 : x
  2. Step 2: Convert to fraction form
    39,940.35/55,117.69 = 22,035.40/x
  3. Step 3: Cross multiply
    39,940.35x = 55,117.69 × 22,035.40
  4. Step 4: Simplify right side
    39,940.35x = 1,214,540,346.23
  5. Step 5: Solve for x
    x = 1,214,540,346.23/39,940.35
  6. Step 6: Final answer
    x = 30,408.86

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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.