Home / 39,986.06-55,182.47-22,991.04

Finding the Fourth Proportional to 39,986.06, 55,182.47 and 22,991.04

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Solution

The fourth proportional to 39,986.06, 55,182.47 and 22,991.04 is: 31,728.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.06 : 55,182.47 = 22,991.04 : x
  2. Step 2: Convert to fraction form
    39,986.06/55,182.47 = 22,991.04/x
  3. Step 3: Cross multiply
    39,986.06x = 55,182.47 × 22,991.04
  4. Step 4: Simplify right side
    39,986.06x = 1,268,702,260.11
  5. Step 5: Solve for x
    x = 1,268,702,260.11/39,986.06
  6. Step 6: Final answer
    x = 31,728.62

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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.