Home / 30,371.78-45,563.82-12,841.58

Finding the Fourth Proportional to 30,371.78, 45,563.82 and 12,841.58

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Solution

The fourth proportional to 30,371.78, 45,563.82 and 12,841.58 is: 19,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.78 : 45,563.82 = 12,841.58 : x
  2. Step 2: Convert to fraction form
    30,371.78/45,563.82 = 12,841.58/x
  3. Step 3: Cross multiply
    30,371.78x = 45,563.82 × 12,841.58
  4. Step 4: Simplify right side
    30,371.78x = 585,111,439.64
  5. Step 5: Solve for x
    x = 585,111,439.64/30,371.78
  6. Step 6: Final answer
    x = 19,264.97

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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.