Home / 29,157.88-43,703.16-12,493.12

Finding the Fourth Proportional to 29,157.88, 43,703.16 and 12,493.12

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Solution

The fourth proportional to 29,157.88, 43,703.16 and 12,493.12 is: 18,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,157.88 : 43,703.16 = 12,493.12 : x
  2. Step 2: Convert to fraction form
    29,157.88/43,703.16 = 12,493.12/x
  3. Step 3: Cross multiply
    29,157.88x = 43,703.16 × 12,493.12
  4. Step 4: Simplify right side
    29,157.88x = 545,988,822.26
  5. Step 5: Solve for x
    x = 545,988,822.26/29,157.88
  6. Step 6: Final answer
    x = 18,725.26

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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.