Home / 49,575.38-74,363.06-12,639.38

Finding the Fourth Proportional to 49,575.38, 74,363.06 and 12,639.38

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Solution

The fourth proportional to 49,575.38, 74,363.06 and 12,639.38 is: 18,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,575.38 : 74,363.06 = 12,639.38 : x
  2. Step 2: Convert to fraction form
    49,575.38/74,363.06 = 12,639.38/x
  3. Step 3: Cross multiply
    49,575.38x = 74,363.06 × 12,639.38
  4. Step 4: Simplify right side
    49,575.38x = 939,902,633.09
  5. Step 5: Solve for x
    x = 939,902,633.09/49,575.38
  6. Step 6: Final answer
    x = 18,959.06

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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.