Home / 55,011.92-82,540.20-32,837.36

Finding the Fourth Proportional to 55,011.92, 82,540.20 and 32,837.36

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Solution

The fourth proportional to 55,011.92, 82,540.20 and 32,837.36 is: 49,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,011.92 : 82,540.20 = 32,837.36 : x
  2. Step 2: Convert to fraction form
    55,011.92/82,540.20 = 32,837.36/x
  3. Step 3: Cross multiply
    55,011.92x = 82,540.20 × 32,837.36
  4. Step 4: Simplify right side
    55,011.92x = 2,710,402,261.87
  5. Step 5: Solve for x
    x = 2,710,402,261.87/55,011.92
  6. Step 6: Final answer
    x = 49,269.36

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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.