Home / 39,652.09-54,716.34-27,754.81

Finding the Fourth Proportional to 39,652.09, 54,716.34 and 27,754.81

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Solution

The fourth proportional to 39,652.09, 54,716.34 and 27,754.81 is: 38,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,652.09 : 54,716.34 = 27,754.81 : x
  2. Step 2: Convert to fraction form
    39,652.09/54,716.34 = 27,754.81/x
  3. Step 3: Cross multiply
    39,652.09x = 54,716.34 × 27,754.81
  4. Step 4: Simplify right side
    39,652.09x = 1,518,641,620.60
  5. Step 5: Solve for x
    x = 1,518,641,620.60/39,652.09
  6. Step 6: Final answer
    x = 38,299.16

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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.