Home / 46,012.70-69,021.28-12,732.03

Finding the Fourth Proportional to 46,012.70, 69,021.28 and 12,732.03

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Solution

The fourth proportional to 46,012.70, 69,021.28 and 12,732.03 is: 19,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,012.70 : 69,021.28 = 12,732.03 : x
  2. Step 2: Convert to fraction form
    46,012.70/69,021.28 = 12,732.03/x
  3. Step 3: Cross multiply
    46,012.70x = 69,021.28 × 12,732.03
  4. Step 4: Simplify right side
    46,012.70x = 878,781,007.60
  5. Step 5: Solve for x
    x = 878,781,007.60/46,012.70
  6. Step 6: Final answer
    x = 19,098.66

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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.