Home / 35,385.65-53,078.61-15,664.37

Finding the Fourth Proportional to 35,385.65, 53,078.61 and 15,664.37

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Solution

The fourth proportional to 35,385.65, 53,078.61 and 15,664.37 is: 23,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.65 : 53,078.61 = 15,664.37 : x
  2. Step 2: Convert to fraction form
    35,385.65/53,078.61 = 15,664.37/x
  3. Step 3: Cross multiply
    35,385.65x = 53,078.61 × 15,664.37
  4. Step 4: Simplify right side
    35,385.65x = 831,442,720.73
  5. Step 5: Solve for x
    x = 831,442,720.73/35,385.65
  6. Step 6: Final answer
    x = 23,496.61

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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.