Home / 39,891.08-59,857.58-17,720.37

Finding the Fourth Proportional to 39,891.08, 59,857.58 and 17,720.37

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Solution

The fourth proportional to 39,891.08, 59,857.58 and 17,720.37 is: 26,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891.08 : 59,857.58 = 17,720.37 : x
  2. Step 2: Convert to fraction form
    39,891.08/59,857.58 = 17,720.37/x
  3. Step 3: Cross multiply
    39,891.08x = 59,857.58 × 17,720.37
  4. Step 4: Simplify right side
    39,891.08x = 1,060,698,509.21
  5. Step 5: Solve for x
    x = 1,060,698,509.21/39,891.08
  6. Step 6: Final answer
    x = 26,589.87

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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.