Home / 43,128.42-64,694.46-15,051.30

Finding the Fourth Proportional to 43,128.42, 64,694.46 and 15,051.30

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Solution

The fourth proportional to 43,128.42, 64,694.46 and 15,051.30 is: 22,577.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128.42 : 64,694.46 = 15,051.30 : x
  2. Step 2: Convert to fraction form
    43,128.42/64,694.46 = 15,051.30/x
  3. Step 3: Cross multiply
    43,128.42x = 64,694.46 × 15,051.30
  4. Step 4: Simplify right side
    43,128.42x = 973,735,725.80
  5. Step 5: Solve for x
    x = 973,735,725.80/43,128.42
  6. Step 6: Final answer
    x = 22,577.59

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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.