Home / 29,312.81-43,975.31-11,782.64

Finding the Fourth Proportional to 29,312.81, 43,975.31 and 11,782.64

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Solution

The fourth proportional to 29,312.81, 43,975.31 and 11,782.64 is: 17,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.81 : 43,975.31 = 11,782.64 : x
  2. Step 2: Convert to fraction form
    29,312.81/43,975.31 = 11,782.64/x
  3. Step 3: Cross multiply
    29,312.81x = 43,975.31 × 11,782.64
  4. Step 4: Simplify right side
    29,312.81x = 518,145,246.62
  5. Step 5: Solve for x
    x = 518,145,246.62/29,312.81
  6. Step 6: Final answer
    x = 17,676.41

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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.