Home / 51,145.60-76,616.24-40,633.36

Finding the Fourth Proportional to 51,145.60, 76,616.24 and 40,633.36

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Solution

The fourth proportional to 51,145.60, 76,616.24 and 40,633.36 is: 60,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,145.60 : 76,616.24 = 40,633.36 : x
  2. Step 2: Convert to fraction form
    51,145.60/76,616.24 = 40,633.36/x
  3. Step 3: Cross multiply
    51,145.60x = 76,616.24 × 40,633.36
  4. Step 4: Simplify right side
    51,145.60x = 3,113,175,261.77
  5. Step 5: Solve for x
    x = 3,113,175,261.77/51,145.60
  6. Step 6: Final answer
    x = 60,868.88

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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.