Home / 29,113.19-43,669.80-12,462.42

Finding the Fourth Proportional to 29,113.19, 43,669.80 and 12,462.42

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Solution

The fourth proportional to 29,113.19, 43,669.80 and 12,462.42 is: 18,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,113.19 : 43,669.80 = 12,462.42 : x
  2. Step 2: Convert to fraction form
    29,113.19/43,669.80 = 12,462.42/x
  3. Step 3: Cross multiply
    29,113.19x = 43,669.80 × 12,462.42
  4. Step 4: Simplify right side
    29,113.19x = 544,231,388.92
  5. Step 5: Solve for x
    x = 544,231,388.92/29,113.19
  6. Step 6: Final answer
    x = 18,693.64

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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.