Home / 39,206.82-54,105.66-21,301.82

Finding the Fourth Proportional to 39,206.82, 54,105.66 and 21,301.82

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Solution

The fourth proportional to 39,206.82, 54,105.66 and 21,301.82 is: 29,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,206.82 : 54,105.66 = 21,301.82 : x
  2. Step 2: Convert to fraction form
    39,206.82/54,105.66 = 21,301.82/x
  3. Step 3: Cross multiply
    39,206.82x = 54,105.66 × 21,301.82
  4. Step 4: Simplify right side
    39,206.82x = 1,152,548,962.67
  5. Step 5: Solve for x
    x = 1,152,548,962.67/39,206.82
  6. Step 6: Final answer
    x = 29,396.64

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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.