Home / 39,414.70-59,111.61-15,721.30

Finding the Fourth Proportional to 39,414.70, 59,111.61 and 15,721.30

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Solution

The fourth proportional to 39,414.70, 59,111.61 and 15,721.30 is: 23,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,414.70 : 59,111.61 = 15,721.30 : x
  2. Step 2: Convert to fraction form
    39,414.70/59,111.61 = 15,721.30/x
  3. Step 3: Cross multiply
    39,414.70x = 59,111.61 × 15,721.30
  4. Step 4: Simplify right side
    39,414.70x = 929,311,354.29
  5. Step 5: Solve for x
    x = 929,311,354.29/39,414.70
  6. Step 6: Final answer
    x = 23,577.79

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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.