Home / 39,218.24-58,821.12-11,509.76

Finding the Fourth Proportional to 39,218.24, 58,821.12 and 11,509.76

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Solution

The fourth proportional to 39,218.24, 58,821.12 and 11,509.76 is: 17,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,218.24 : 58,821.12 = 11,509.76 : x
  2. Step 2: Convert to fraction form
    39,218.24/58,821.12 = 11,509.76/x
  3. Step 3: Cross multiply
    39,218.24x = 58,821.12 × 11,509.76
  4. Step 4: Simplify right side
    39,218.24x = 677,016,974.13
  5. Step 5: Solve for x
    x = 677,016,974.13/39,218.24
  6. Step 6: Final answer
    x = 17,262.81

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1.5x scale

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.