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Finding the Fourth Proportional to 55,676.82, 83,513.07 and 18,239.70

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Solution

The fourth proportional to 55,676.82, 83,513.07 and 18,239.70 is: 27,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676.82 : 83,513.07 = 18,239.70 : x
  2. Step 2: Convert to fraction form
    55,676.82/83,513.07 = 18,239.70/x
  3. Step 3: Cross multiply
    55,676.82x = 83,513.07 × 18,239.70
  4. Step 4: Simplify right side
    55,676.82x = 1,523,253,342.88
  5. Step 5: Solve for x
    x = 1,523,253,342.88/55,676.82
  6. Step 6: Final answer
    x = 27,358.84

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1.5x scale

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.