Home / 39,776.81-54,895.07-22,786.46

Finding the Fourth Proportional to 39,776.81, 54,895.07 and 22,786.46

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Solution

The fourth proportional to 39,776.81, 54,895.07 and 22,786.46 is: 31,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,776.81 : 54,895.07 = 22,786.46 : x
  2. Step 2: Convert to fraction form
    39,776.81/54,895.07 = 22,786.46/x
  3. Step 3: Cross multiply
    39,776.81x = 54,895.07 × 22,786.46
  4. Step 4: Simplify right side
    39,776.81x = 1,250,864,099.24
  5. Step 5: Solve for x
    x = 1,250,864,099.24/39,776.81
  6. Step 6: Final answer
    x = 31,447.07

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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.