Home / 51,217.66-76,773.84-19,620.28

Finding the Fourth Proportional to 51,217.66, 76,773.84 and 19,620.28

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Solution

The fourth proportional to 51,217.66, 76,773.84 and 19,620.28 is: 29,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.66 : 76,773.84 = 19,620.28 : x
  2. Step 2: Convert to fraction form
    51,217.66/76,773.84 = 19,620.28/x
  3. Step 3: Cross multiply
    51,217.66x = 76,773.84 × 19,620.28
  4. Step 4: Simplify right side
    51,217.66x = 1,506,324,237.48
  5. Step 5: Solve for x
    x = 1,506,324,237.48/51,217.66
  6. Step 6: Final answer
    x = 29,410.25

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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.