Home / 39,081.60-58,661.46-21,559.68

Finding the Fourth Proportional to 39,081.60, 58,661.46 and 21,559.68

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Solution

The fourth proportional to 39,081.60, 58,661.46 and 21,559.68 is: 32,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.60 : 58,661.46 = 21,559.68 : x
  2. Step 2: Convert to fraction form
    39,081.60/58,661.46 = 21,559.68/x
  3. Step 3: Cross multiply
    39,081.60x = 58,661.46 × 21,559.68
  4. Step 4: Simplify right side
    39,081.60x = 1,264,722,305.93
  5. Step 5: Solve for x
    x = 1,264,722,305.93/39,081.60
  6. Step 6: Final answer
    x = 32,361.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.