Home / 55,687.45-83,528.95-18,250.33

Finding the Fourth Proportional to 55,687.45, 83,528.95 and 18,250.33

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Solution

The fourth proportional to 55,687.45, 83,528.95 and 18,250.33 is: 27,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,687.45 : 83,528.95 = 18,250.33 : x
  2. Step 2: Convert to fraction form
    55,687.45/83,528.95 = 18,250.33/x
  3. Step 3: Cross multiply
    55,687.45x = 83,528.95 × 18,250.33
  4. Step 4: Simplify right side
    55,687.45x = 1,524,430,438.78
  5. Step 5: Solve for x
    x = 1,524,430,438.78/55,687.45
  6. Step 6: Final answer
    x = 27,374.76

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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.