Home / 38,563.64-57,899.00-19,857.05

Finding the Fourth Proportional to 38,563.64, 57,899.00 and 19,857.05

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Solution

The fourth proportional to 38,563.64, 57,899.00 and 19,857.05 is: 29,813.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.64 : 57,899.00 = 19,857.05 : x
  2. Step 2: Convert to fraction form
    38,563.64/57,899.00 = 19,857.05/x
  3. Step 3: Cross multiply
    38,563.64x = 57,899.00 × 19,857.05
  4. Step 4: Simplify right side
    38,563.64x = 1,149,703,315.22
  5. Step 5: Solve for x
    x = 1,149,703,315.22/38,563.64
  6. Step 6: Final answer
    x = 29,813.14

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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.