Home / 29,280.66-43,929.30-11,762.80

Finding the Fourth Proportional to 29,280.66, 43,929.30 and 11,762.80

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Solution

The fourth proportional to 29,280.66, 43,929.30 and 11,762.80 is: 17,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280.66 : 43,929.30 = 11,762.80 : x
  2. Step 2: Convert to fraction form
    29,280.66/43,929.30 = 11,762.80/x
  3. Step 3: Cross multiply
    29,280.66x = 43,929.30 × 11,762.80
  4. Step 4: Simplify right side
    29,280.66x = 516,731,570.04
  5. Step 5: Solve for x
    x = 516,731,570.04/29,280.66
  6. Step 6: Final answer
    x = 17,647.54

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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.