Home / 43,291.93-64,941.59-15,209.54

Finding the Fourth Proportional to 43,291.93, 64,941.59 and 15,209.54

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Solution

The fourth proportional to 43,291.93, 64,941.59 and 15,209.54 is: 22,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,291.93 : 64,941.59 = 15,209.54 : x
  2. Step 2: Convert to fraction form
    43,291.93/64,941.59 = 15,209.54/x
  3. Step 3: Cross multiply
    43,291.93x = 64,941.59 × 15,209.54
  4. Step 4: Simplify right side
    43,291.93x = 987,731,634.72
  5. Step 5: Solve for x
    x = 987,731,634.72/43,291.93
  6. Step 6: Final answer
    x = 22,815.61

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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.