Home / 55,910.64-83,827.08-20,840.88

Finding the Fourth Proportional to 55,910.64, 83,827.08 and 20,840.88

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Solution

The fourth proportional to 55,910.64, 83,827.08 and 20,840.88 is: 31,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,910.64 : 83,827.08 = 20,840.88 : x
  2. Step 2: Convert to fraction form
    55,910.64/83,827.08 = 20,840.88/x
  3. Step 3: Cross multiply
    55,910.64x = 83,827.08 × 20,840.88
  4. Step 4: Simplify right side
    55,910.64x = 1,747,030,115.03
  5. Step 5: Solve for x
    x = 1,747,030,115.03/55,910.64
  6. Step 6: Final answer
    x = 31,246.83

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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.