Home / 49,564.64-68,397.36-28,343.36

Finding the Fourth Proportional to 49,564.64, 68,397.36 and 28,343.36

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Solution

The fourth proportional to 49,564.64, 68,397.36 and 28,343.36 is: 39,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,564.64 : 68,397.36 = 28,343.36 : x
  2. Step 2: Convert to fraction form
    49,564.64/68,397.36 = 28,343.36/x
  3. Step 3: Cross multiply
    49,564.64x = 68,397.36 × 28,343.36
  4. Step 4: Simplify right side
    49,564.64x = 1,938,610,997.53
  5. Step 5: Solve for x
    x = 1,938,610,997.53/49,564.64
  6. Step 6: Final answer
    x = 39,112.78

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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.