Home / 39,400.33-54,370.56-21,494.27

Finding the Fourth Proportional to 39,400.33, 54,370.56 and 21,494.27

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Solution

The fourth proportional to 39,400.33, 54,370.56 and 21,494.27 is: 29,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.33 : 54,370.56 = 21,494.27 : x
  2. Step 2: Convert to fraction form
    39,400.33/54,370.56 = 21,494.27/x
  3. Step 3: Cross multiply
    39,400.33x = 54,370.56 × 21,494.27
  4. Step 4: Simplify right side
    39,400.33x = 1,168,655,360.76
  5. Step 5: Solve for x
    x = 1,168,655,360.76/39,400.33
  6. Step 6: Final answer
    x = 29,661.06

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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.