Home / 43,052.40-64,571.04-11,880.72

Finding the Fourth Proportional to 43,052.40, 64,571.04 and 11,880.72

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Solution

The fourth proportional to 43,052.40, 64,571.04 and 11,880.72 is: 17,818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,052.40 : 64,571.04 = 11,880.72 : x
  2. Step 2: Convert to fraction form
    43,052.40/64,571.04 = 11,880.72/x
  3. Step 3: Cross multiply
    43,052.40x = 64,571.04 × 11,880.72
  4. Step 4: Simplify right side
    43,052.40x = 767,150,446.35
  5. Step 5: Solve for x
    x = 767,150,446.35/43,052.40
  6. Step 6: Final answer
    x = 17,818.99

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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.