Home / 55,743.06-83,617.38-18,288

Finding the Fourth Proportional to 55,743.06, 83,617.38 and 18,288

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Solution

The fourth proportional to 55,743.06, 83,617.38 and 18,288 is: 27,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.06 : 83,617.38 = 18,288 : x
  2. Step 2: Convert to fraction form
    55,743.06/83,617.38 = 18,288/x
  3. Step 3: Cross multiply
    55,743.06x = 83,617.38 × 18,288
  4. Step 4: Simplify right side
    55,743.06x = 1,529,194,645.44
  5. Step 5: Solve for x
    x = 1,529,194,645.44/55,743.06
  6. Step 6: Final answer
    x = 27,432.92

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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.