Home / 39,589.06-54,633.06-21,683.92

Finding the Fourth Proportional to 39,589.06, 54,633.06 and 21,683.92

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Solution

The fourth proportional to 39,589.06, 54,633.06 and 21,683.92 is: 29,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.06 : 54,633.06 = 21,683.92 : x
  2. Step 2: Convert to fraction form
    39,589.06/54,633.06 = 21,683.92/x
  3. Step 3: Cross multiply
    39,589.06x = 54,633.06 × 21,683.92
  4. Step 4: Simplify right side
    39,589.06x = 1,184,658,902.40
  5. Step 5: Solve for x
    x = 1,184,658,902.40/39,589.06
  6. Step 6: Final answer
    x = 29,923.90

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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.