Home / 53,900.71-74,385.25-30,027.38

Finding the Fourth Proportional to 53,900.71, 74,385.25 and 30,027.38

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Solution

The fourth proportional to 53,900.71, 74,385.25 and 30,027.38 is: 41,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900.71 : 74,385.25 = 30,027.38 : x
  2. Step 2: Convert to fraction form
    53,900.71/74,385.25 = 30,027.38/x
  3. Step 3: Cross multiply
    53,900.71x = 74,385.25 × 30,027.38
  4. Step 4: Simplify right side
    53,900.71x = 2,233,593,721.15
  5. Step 5: Solve for x
    x = 2,233,593,721.15/53,900.71
  6. Step 6: Final answer
    x = 41,439.04

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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.