Home / 43,331.12-65,002.84-13,347.88

Finding the Fourth Proportional to 43,331.12, 65,002.84 and 13,347.88

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Solution

The fourth proportional to 43,331.12, 65,002.84 and 13,347.88 is: 20,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.12 : 65,002.84 = 13,347.88 : x
  2. Step 2: Convert to fraction form
    43,331.12/65,002.84 = 13,347.88/x
  3. Step 3: Cross multiply
    43,331.12x = 65,002.84 × 13,347.88
  4. Step 4: Simplify right side
    43,331.12x = 867,650,107.98
  5. Step 5: Solve for x
    x = 867,650,107.98/43,331.12
  6. Step 6: Final answer
    x = 20,023.72

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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.