Home / 55,383.09-83,054.11-19,838.87

Finding the Fourth Proportional to 55,383.09, 83,054.11 and 19,838.87

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Solution

The fourth proportional to 55,383.09, 83,054.11 and 19,838.87 is: 29,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,383.09 : 83,054.11 = 19,838.87 : x
  2. Step 2: Convert to fraction form
    55,383.09/83,054.11 = 19,838.87/x
  3. Step 3: Cross multiply
    55,383.09x = 83,054.11 × 19,838.87
  4. Step 4: Simplify right side
    55,383.09x = 1,647,699,434.02
  5. Step 5: Solve for x
    x = 1,647,699,434.02/55,383.09
  6. Step 6: Final answer
    x = 29,750.95

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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.