Home / 43,533.64-65,301.18-12,367.72

Finding the Fourth Proportional to 43,533.64, 65,301.18 and 12,367.72

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Solution

The fourth proportional to 43,533.64, 65,301.18 and 12,367.72 is: 18,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,533.64 : 65,301.18 = 12,367.72 : x
  2. Step 2: Convert to fraction form
    43,533.64/65,301.18 = 12,367.72/x
  3. Step 3: Cross multiply
    43,533.64x = 65,301.18 × 12,367.72
  4. Step 4: Simplify right side
    43,533.64x = 807,626,709.91
  5. Step 5: Solve for x
    x = 807,626,709.91/43,533.64
  6. Step 6: Final answer
    x = 18,551.78

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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.