Home / 49,953.49-68,938.89-28,732.30

Finding the Fourth Proportional to 49,953.49, 68,938.89 and 28,732.30

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Solution

The fourth proportional to 49,953.49, 68,938.89 and 28,732.30 is: 39,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.49 : 68,938.89 = 28,732.30 : x
  2. Step 2: Convert to fraction form
    49,953.49/68,938.89 = 28,732.30/x
  3. Step 3: Cross multiply
    49,953.49x = 68,938.89 × 28,732.30
  4. Step 4: Simplify right side
    49,953.49x = 1,980,772,869.15
  5. Step 5: Solve for x
    x = 1,980,772,869.15/49,953.49
  6. Step 6: Final answer
    x = 39,652.34

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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.