Home / 39,573.11-54,610.91-21,668.11

Finding the Fourth Proportional to 39,573.11, 54,610.91 and 21,668.11

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Solution

The fourth proportional to 39,573.11, 54,610.91 and 21,668.11 is: 29,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573.11 : 54,610.91 = 21,668.11 : x
  2. Step 2: Convert to fraction form
    39,573.11/54,610.91 = 21,668.11/x
  3. Step 3: Cross multiply
    39,573.11x = 54,610.91 × 21,668.11
  4. Step 4: Simplify right side
    39,573.11x = 1,183,315,041.47
  5. Step 5: Solve for x
    x = 1,183,315,041.47/39,573.11
  6. Step 6: Final answer
    x = 29,902.00

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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.