Home / 39,819.17-59,765.71-20,111.57

Finding the Fourth Proportional to 39,819.17, 59,765.71 and 20,111.57

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Solution

The fourth proportional to 39,819.17, 59,765.71 and 20,111.57 is: 30,186.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.17 : 59,765.71 = 20,111.57 : x
  2. Step 2: Convert to fraction form
    39,819.17/59,765.71 = 20,111.57/x
  3. Step 3: Cross multiply
    39,819.17x = 59,765.71 × 20,111.57
  4. Step 4: Simplify right side
    39,819.17x = 1,201,982,260.26
  5. Step 5: Solve for x
    x = 1,201,982,260.26/39,819.17
  6. Step 6: Final answer
    x = 30,186.02

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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.