Home / 39,455.24-59,183.09-13,159.91

Finding the Fourth Proportional to 39,455.24, 59,183.09 and 13,159.91

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Solution

The fourth proportional to 39,455.24, 59,183.09 and 13,159.91 is: 19,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,455.24 : 59,183.09 = 13,159.91 : x
  2. Step 2: Convert to fraction form
    39,455.24/59,183.09 = 13,159.91/x
  3. Step 3: Cross multiply
    39,455.24x = 59,183.09 × 13,159.91
  4. Step 4: Simplify right side
    39,455.24x = 778,843,776.21
  5. Step 5: Solve for x
    x = 778,843,776.21/39,455.24
  6. Step 6: Final answer
    x = 19,739.93

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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.