Home / 39,786.93-54,864.27-29,699.19

Finding the Fourth Proportional to 39,786.93, 54,864.27 and 29,699.19

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Solution

The fourth proportional to 39,786.93, 54,864.27 and 29,699.19 is: 40,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786.93 : 54,864.27 = 29,699.19 : x
  2. Step 2: Convert to fraction form
    39,786.93/54,864.27 = 29,699.19/x
  3. Step 3: Cross multiply
    39,786.93x = 54,864.27 × 29,699.19
  4. Step 4: Simplify right side
    39,786.93x = 1,629,424,378.94
  5. Step 5: Solve for x
    x = 1,629,424,378.94/39,786.93
  6. Step 6: Final answer
    x = 40,953.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.