Home / 29,018.91-43,528.38-19,155.88

Finding the Fourth Proportional to 29,018.91, 43,528.38 and 19,155.88

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Solution

The fourth proportional to 29,018.91, 43,528.38 and 19,155.88 is: 28,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,018.91 : 43,528.38 = 19,155.88 : x
  2. Step 2: Convert to fraction form
    29,018.91/43,528.38 = 19,155.88/x
  3. Step 3: Cross multiply
    29,018.91x = 43,528.38 × 19,155.88
  4. Step 4: Simplify right side
    29,018.91x = 833,824,423.87
  5. Step 5: Solve for x
    x = 833,824,423.87/29,018.91
  6. Step 6: Final answer
    x = 28,733.83

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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.