Home / 29,979.87-44,970.21-11,256.45

Finding the Fourth Proportional to 29,979.87, 44,970.21 and 11,256.45

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Solution

The fourth proportional to 29,979.87, 44,970.21 and 11,256.45 is: 16,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,979.87 : 44,970.21 = 11,256.45 : x
  2. Step 2: Convert to fraction form
    29,979.87/44,970.21 = 11,256.45/x
  3. Step 3: Cross multiply
    29,979.87x = 44,970.21 × 11,256.45
  4. Step 4: Simplify right side
    29,979.87x = 506,204,920.35
  5. Step 5: Solve for x
    x = 506,204,920.35/29,979.87
  6. Step 6: Final answer
    x = 16,884.83

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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.