Home / 30,551.46-45,815.94-10,555.82

Finding the Fourth Proportional to 30,551.46, 45,815.94 and 10,555.82

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Solution

The fourth proportional to 30,551.46, 45,815.94 and 10,555.82 is: 15,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,551.46 : 45,815.94 = 10,555.82 : x
  2. Step 2: Convert to fraction form
    30,551.46/45,815.94 = 10,555.82/x
  3. Step 3: Cross multiply
    30,551.46x = 45,815.94 × 10,555.82
  4. Step 4: Simplify right side
    30,551.46x = 483,624,930.31
  5. Step 5: Solve for x
    x = 483,624,930.31/30,551.46
  6. Step 6: Final answer
    x = 15,829.85

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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.