Home / 30,427.73-45,641.57-11,455.91

Finding the Fourth Proportional to 30,427.73, 45,641.57 and 11,455.91

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Solution

The fourth proportional to 30,427.73, 45,641.57 and 11,455.91 is: 17,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,427.73 : 45,641.57 = 11,455.91 : x
  2. Step 2: Convert to fraction form
    30,427.73/45,641.57 = 11,455.91/x
  3. Step 3: Cross multiply
    30,427.73x = 45,641.57 × 11,455.91
  4. Step 4: Simplify right side
    30,427.73x = 522,865,432.69
  5. Step 5: Solve for x
    x = 522,865,432.69/30,427.73
  6. Step 6: Final answer
    x = 17,183.85

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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.