Home / 40,198.38-60,278.40-18,011.94

Finding the Fourth Proportional to 40,198.38, 60,278.40 and 18,011.94

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Solution

The fourth proportional to 40,198.38, 60,278.40 and 18,011.94 is: 27,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.38 : 60,278.40 = 18,011.94 : x
  2. Step 2: Convert to fraction form
    40,198.38/60,278.40 = 18,011.94/x
  3. Step 3: Cross multiply
    40,198.38x = 60,278.40 × 18,011.94
  4. Step 4: Simplify right side
    40,198.38x = 1,085,730,924.10
  5. Step 5: Solve for x
    x = 1,085,730,924.10/40,198.38
  6. Step 6: Final answer
    x = 27,009.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.