Home / 29,154.24-43,732.80-8,379.36

Finding the Fourth Proportional to 29,154.24, 43,732.80 and 8,379.36

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Solution

The fourth proportional to 29,154.24, 43,732.80 and 8,379.36 is: 12,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.24 : 43,732.80 = 8,379.36 : x
  2. Step 2: Convert to fraction form
    29,154.24/43,732.80 = 8,379.36/x
  3. Step 3: Cross multiply
    29,154.24x = 43,732.80 × 8,379.36
  4. Step 4: Simplify right side
    29,154.24x = 366,452,875.01
  5. Step 5: Solve for x
    x = 366,452,875.01/29,154.24
  6. Step 6: Final answer
    x = 12,569.45

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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.