Home / 55,288.20-82,932.30-13,735.20

Finding the Fourth Proportional to 55,288.20, 82,932.30 and 13,735.20

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Solution

The fourth proportional to 55,288.20, 82,932.30 and 13,735.20 is: 20,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288.20 : 82,932.30 = 13,735.20 : x
  2. Step 2: Convert to fraction form
    55,288.20/82,932.30 = 13,735.20/x
  3. Step 3: Cross multiply
    55,288.20x = 82,932.30 × 13,735.20
  4. Step 4: Simplify right side
    55,288.20x = 1,139,091,726.96
  5. Step 5: Solve for x
    x = 1,139,091,726.96/55,288.20
  6. Step 6: Final answer
    x = 20,602.80

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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.