Home / 39,539.92-54,566.72-21,636.49

Finding the Fourth Proportional to 39,539.92, 54,566.72 and 21,636.49

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Solution

The fourth proportional to 39,539.92, 54,566.72 and 21,636.49 is: 29,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,539.92 : 54,566.72 = 21,636.49 : x
  2. Step 2: Convert to fraction form
    39,539.92/54,566.72 = 21,636.49/x
  3. Step 3: Cross multiply
    39,539.92x = 54,566.72 × 21,636.49
  4. Step 4: Simplify right side
    39,539.92x = 1,180,632,291.61
  5. Step 5: Solve for x
    x = 1,180,632,291.61/39,539.92
  6. Step 6: Final answer
    x = 29,859.25

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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.