Home / 29,057.12-43,590-9,336.32

Finding the Fourth Proportional to 29,057.12, 43,590 and 9,336.32

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Solution

The fourth proportional to 29,057.12, 43,590 and 9,336.32 is: 14,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,057.12 : 43,590 = 9,336.32 : x
  2. Step 2: Convert to fraction form
    29,057.12/43,590 = 9,336.32/x
  3. Step 3: Cross multiply
    29,057.12x = 43,590 × 9,336.32
  4. Step 4: Simplify right side
    29,057.12x = 406,970,188.80
  5. Step 5: Solve for x
    x = 406,970,188.80/29,057.12
  6. Step 6: Final answer
    x = 14,005.87

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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.