Home / 29,172.55-43,775.79-12,304.51

Finding the Fourth Proportional to 29,172.55, 43,775.79 and 12,304.51

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Solution

The fourth proportional to 29,172.55, 43,775.79 and 12,304.51 is: 18,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.55 : 43,775.79 = 12,304.51 : x
  2. Step 2: Convert to fraction form
    29,172.55/43,775.79 = 12,304.51/x
  3. Step 3: Cross multiply
    29,172.55x = 43,775.79 × 12,304.51
  4. Step 4: Simplify right side
    29,172.55x = 538,639,645.81
  5. Step 5: Solve for x
    x = 538,639,645.81/29,172.55
  6. Step 6: Final answer
    x = 18,463.92

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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.