Home / 39,537.52-54,562.18-21,632.12

Finding the Fourth Proportional to 39,537.52, 54,562.18 and 21,632.12

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Solution

The fourth proportional to 39,537.52, 54,562.18 and 21,632.12 is: 29,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,537.52 : 54,562.18 = 21,632.12 : x
  2. Step 2: Convert to fraction form
    39,537.52/54,562.18 = 21,632.12/x
  3. Step 3: Cross multiply
    39,537.52x = 54,562.18 × 21,632.12
  4. Step 4: Simplify right side
    39,537.52x = 1,180,295,625.22
  5. Step 5: Solve for x
    x = 1,180,295,625.22/39,537.52
  6. Step 6: Final answer
    x = 29,852.55

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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.