Home / 39,764.22-54,873.53-21,859.24

Finding the Fourth Proportional to 39,764.22, 54,873.53 and 21,859.24

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Solution

The fourth proportional to 39,764.22, 54,873.53 and 21,859.24 is: 30,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.22 : 54,873.53 = 21,859.24 : x
  2. Step 2: Convert to fraction form
    39,764.22/54,873.53 = 21,859.24/x
  3. Step 3: Cross multiply
    39,764.22x = 54,873.53 × 21,859.24
  4. Step 4: Simplify right side
    39,764.22x = 1,199,493,661.92
  5. Step 5: Solve for x
    x = 1,199,493,661.92/39,764.22
  6. Step 6: Final answer
    x = 30,165.15

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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.