Home / 39,913.92-55,081.54-22,009.56

Finding the Fourth Proportional to 39,913.92, 55,081.54 and 22,009.56

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Solution

The fourth proportional to 39,913.92, 55,081.54 and 22,009.56 is: 30,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.92 : 55,081.54 = 22,009.56 : x
  2. Step 2: Convert to fraction form
    39,913.92/55,081.54 = 22,009.56/x
  3. Step 3: Cross multiply
    39,913.92x = 55,081.54 × 22,009.56
  4. Step 4: Simplify right side
    39,913.92x = 1,212,320,459.52
  5. Step 5: Solve for x
    x = 1,212,320,459.52/39,913.92
  6. Step 6: Final answer
    x = 30,373.37

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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.