Home / 51,157.32-76,710.68-30,914.92

Finding the Fourth Proportional to 51,157.32, 76,710.68 and 30,914.92

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Solution

The fourth proportional to 51,157.32, 76,710.68 and 30,914.92 is: 46,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,157.32 : 76,710.68 = 30,914.92 : x
  2. Step 2: Convert to fraction form
    51,157.32/76,710.68 = 30,914.92/x
  3. Step 3: Cross multiply
    51,157.32x = 76,710.68 × 30,914.92
  4. Step 4: Simplify right side
    51,157.32x = 2,371,504,535.35
  5. Step 5: Solve for x
    x = 2,371,504,535.35/51,157.32
  6. Step 6: Final answer
    x = 46,357.09

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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.