Home / 39,239.22-54,149.86-21,334.22

Finding the Fourth Proportional to 39,239.22, 54,149.86 and 21,334.22

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Solution

The fourth proportional to 39,239.22, 54,149.86 and 21,334.22 is: 29,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239.22 : 54,149.86 = 21,334.22 : x
  2. Step 2: Convert to fraction form
    39,239.22/54,149.86 = 21,334.22/x
  3. Step 3: Cross multiply
    39,239.22x = 54,149.86 × 21,334.22
  4. Step 4: Simplify right side
    39,239.22x = 1,155,245,026.21
  5. Step 5: Solve for x
    x = 1,155,245,026.21/39,239.22
  6. Step 6: Final answer
    x = 29,441.08

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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.