Home / 66,865.56-92,271.24-40,022.88

Finding the Fourth Proportional to 66,865.56, 92,271.24 and 40,022.88

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Solution

The fourth proportional to 66,865.56, 92,271.24 and 40,022.88 is: 55,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,865.56 : 92,271.24 = 40,022.88 : x
  2. Step 2: Convert to fraction form
    66,865.56/92,271.24 = 40,022.88/x
  3. Step 3: Cross multiply
    66,865.56x = 92,271.24 × 40,022.88
  4. Step 4: Simplify right side
    66,865.56x = 3,692,960,765.97
  5. Step 5: Solve for x
    x = 3,692,960,765.97/66,865.56
  6. Step 6: Final answer
    x = 55,229.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.