Home / 39,956.59-55,138.48-22,051.36

Finding the Fourth Proportional to 39,956.59, 55,138.48 and 22,051.36

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Solution

The fourth proportional to 39,956.59, 55,138.48 and 22,051.36 is: 30,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,956.59 : 55,138.48 = 22,051.36 : x
  2. Step 2: Convert to fraction form
    39,956.59/55,138.48 = 22,051.36/x
  3. Step 3: Cross multiply
    39,956.59x = 55,138.48 × 22,051.36
  4. Step 4: Simplify right side
    39,956.59x = 1,215,878,086.38
  5. Step 5: Solve for x
    x = 1,215,878,086.38/39,956.59
  6. Step 6: Final answer
    x = 30,429.98

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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.