Home / 51,037.80-76,565.88-21,035.34

Finding the Fourth Proportional to 51,037.80, 76,565.88 and 21,035.34

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Solution

The fourth proportional to 51,037.80, 76,565.88 and 21,035.34 is: 31,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,037.80 : 76,565.88 = 21,035.34 : x
  2. Step 2: Convert to fraction form
    51,037.80/76,565.88 = 21,035.34/x
  3. Step 3: Cross multiply
    51,037.80x = 76,565.88 × 21,035.34
  4. Step 4: Simplify right side
    51,037.80x = 1,610,589,318.20
  5. Step 5: Solve for x
    x = 1,610,589,318.20/51,037.80
  6. Step 6: Final answer
    x = 31,556.79

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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.