Home / 45,772.42-68,773.66-29,139.88

Finding the Fourth Proportional to 45,772.42, 68,773.66 and 29,139.88

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Solution

The fourth proportional to 45,772.42, 68,773.66 and 29,139.88 is: 43,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,772.42 : 68,773.66 = 29,139.88 : x
  2. Step 2: Convert to fraction form
    45,772.42/68,773.66 = 29,139.88/x
  3. Step 3: Cross multiply
    45,772.42x = 68,773.66 × 29,139.88
  4. Step 4: Simplify right side
    45,772.42x = 2,004,056,199.56
  5. Step 5: Solve for x
    x = 2,004,056,199.56/45,772.42
  6. Step 6: Final answer
    x = 43,783.05

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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.