Home / 35,806.20-49,411.14-19,889.88

Finding the Fourth Proportional to 35,806.20, 49,411.14 and 19,889.88

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Solution

The fourth proportional to 35,806.20, 49,411.14 and 19,889.88 is: 27,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,806.20 : 49,411.14 = 19,889.88 : x
  2. Step 2: Convert to fraction form
    35,806.20/49,411.14 = 19,889.88/x
  3. Step 3: Cross multiply
    35,806.20x = 49,411.14 × 19,889.88
  4. Step 4: Simplify right side
    35,806.20x = 982,781,645.26
  5. Step 5: Solve for x
    x = 982,781,645.26/35,806.20
  6. Step 6: Final answer
    x = 27,447.25

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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.