Home / 55,838.18-83,765.56-18,391.34

Finding the Fourth Proportional to 55,838.18, 83,765.56 and 18,391.34

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Solution

The fourth proportional to 55,838.18, 83,765.56 and 18,391.34 is: 27,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,838.18 : 83,765.56 = 18,391.34 : x
  2. Step 2: Convert to fraction form
    55,838.18/83,765.56 = 18,391.34/x
  3. Step 3: Cross multiply
    55,838.18x = 83,765.56 × 18,391.34
  4. Step 4: Simplify right side
    55,838.18x = 1,540,560,475.42
  5. Step 5: Solve for x
    x = 1,540,560,475.42/55,838.18
  6. Step 6: Final answer
    x = 27,589.74

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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.