Home / 46,209.31-69,318.33-12,929.38

Finding the Fourth Proportional to 46,209.31, 69,318.33 and 12,929.38

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Solution

The fourth proportional to 46,209.31, 69,318.33 and 12,929.38 is: 19,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,209.31 : 69,318.33 = 12,929.38 : x
  2. Step 2: Convert to fraction form
    46,209.31/69,318.33 = 12,929.38/x
  3. Step 3: Cross multiply
    46,209.31x = 69,318.33 × 12,929.38
  4. Step 4: Simplify right side
    46,209.31x = 896,243,029.54
  5. Step 5: Solve for x
    x = 896,243,029.54/46,209.31
  6. Step 6: Final answer
    x = 19,395.29

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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.