Home / 43,004.98-64,474.35-13,405.30

Finding the Fourth Proportional to 43,004.98, 64,474.35 and 13,405.30

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Solution

The fourth proportional to 43,004.98, 64,474.35 and 13,405.30 is: 20,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,004.98 : 64,474.35 = 13,405.30 : x
  2. Step 2: Convert to fraction form
    43,004.98/64,474.35 = 13,405.30/x
  3. Step 3: Cross multiply
    43,004.98x = 64,474.35 × 13,405.30
  4. Step 4: Simplify right side
    43,004.98x = 864,298,004.06
  5. Step 5: Solve for x
    x = 864,298,004.06/43,004.98
  6. Step 6: Final answer
    x = 20,097.63

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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.