Home / 49,428.46-68,208.58-29,287.20

Finding the Fourth Proportional to 49,428.46, 68,208.58 and 29,287.20

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Solution

The fourth proportional to 49,428.46, 68,208.58 and 29,287.20 is: 40,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.46 : 68,208.58 = 29,287.20 : x
  2. Step 2: Convert to fraction form
    49,428.46/68,208.58 = 29,287.20/x
  3. Step 3: Cross multiply
    49,428.46x = 68,208.58 × 29,287.20
  4. Step 4: Simplify right side
    49,428.46x = 1,997,638,324.18
  5. Step 5: Solve for x
    x = 1,997,638,324.18/49,428.46
  6. Step 6: Final answer
    x = 40,414.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.