Home / 39,913.62-55,081.17-22,009.28

Finding the Fourth Proportional to 39,913.62, 55,081.17 and 22,009.28

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Solution

The fourth proportional to 39,913.62, 55,081.17 and 22,009.28 is: 30,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.62 : 55,081.17 = 22,009.28 : x
  2. Step 2: Convert to fraction form
    39,913.62/55,081.17 = 22,009.28/x
  3. Step 3: Cross multiply
    39,913.62x = 55,081.17 × 22,009.28
  4. Step 4: Simplify right side
    39,913.62x = 1,212,296,617.85
  5. Step 5: Solve for x
    x = 1,212,296,617.85/39,913.62
  6. Step 6: Final answer
    x = 30,373.01

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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.